JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, AUGUST 10, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.26335?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=081022

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: This study of 68 adults who originally received the Pfizer-BioNTech COVID-19 vaccine found that being boosted with either the Janssen or Pfizer-BioNTech vaccine was associated with increased humoral and cellular immune responses. Boosting with the Janssen vaccine was associated with durable antibody and T-cell responses for at least four months.

Authors: Dan H. Barouch, M.D., Ph.D., of Beth Israel Deaconess Medical Center in Boston, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.26335)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, AUGUST 10, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.26046?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=081022

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this study using national data of nearly 14 million vaccinated individuals in Malaysia, researchers assessed the risk of symptomatic SARS-CoV-2 infection associated with two doses of the CoronaVac (Sinovac Biotech) COVID-19 vaccine plus a third dose or a Pfizer-BioNTech booster compared with two or three doses of the Pfizer-BioNTech vaccine.

Authors: Ee Vien Low, Ph.D., of the Ministry of Health Malaysia in Shah Alam, Malaysia, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.26046)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, AUGUST 9, 2022

Media advisory: The full study is linked to this news release. A visual abstract is below.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.25735?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080922

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

Visual Abstract

Authors: Cun-Zhi Liu, M.D., Ph.D., of Beijing University of Chinese Medicine in Beijing, and Zhi-Cheng Qu, M.D., Ph.D., of Capital Medical University in Beijing, are the corresponding authors.

(doi:10.1001/jamanetworkopen.2022.25735)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, AUGUST 9, 2022

Media advisory: The full study and commentary are linked to this news release. A visual abstract is below.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.25473?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080922

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

Visual Abstract

Authors: He Liu, Ph.D., of Huzhou Central Hospital in Huzhou, Zhejiang, China, and Yueying Zhang, M.D., of the Affiliated Hospital of Xuzhou Medical University in Xuzhou, Jiangsu, China, are the corresponding authors.

(doi:10.1001/jamanetworkopen.2022.25473)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, AUGUST 9, 2022

Media advisory: The full study is linked to this news release. A visual abstract is below.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.25582?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080922

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

Visual Abstract

Authors: Francesca L. Beaudoin, M.D., Ph.D., of the Brown University School of Public Health in Providence, Rhode Island, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.25582)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, AUGUST 5, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.25430?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080522

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: The results of this study of 140,000 class meetings suggest that in-class transmission of SAR-CoV-2 in an urban university with masking and vaccine protocols in-place was negligible.

Authors: Hannah E. Landsberg, M.S.N., M.P.H., of Boston University, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.25430)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, AUGUST 4, 2022

Media advisory: The full study is linked to this news release.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: A comparison of gun-related deaths with U.S. Centers for Disease Control and Prevention-reported COVID-19-related deaths suggests that the direct mortality effects of SARS-CoV-2 on children may be similar in magnitude to indirect outcomes mediated by gun violence. Factors that may have caused the observed increase in gun-related deaths among children are unknown and may include psychological and economic strain due to the pandemic as well as greater time spent at home due to school closures. These findings highlight the potential importance of indirect health outcomes in children during the COVID-19 pandemic. Study limitations include analysis of a large gun violence database and confounding due to the study’s observational design.

Authors: Anupam B. Jena, M.D., Ph.D., of Harvard Medical School in Boston, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.25339)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, AUGUST 3, 2022

Media advisory: The full study is linked to this news release.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: The findings of this study including 3,168 adolescents suggest that two doses of the Pfizer/BioNTech COVID-19 vaccine were associated with high levels of protection against emergency department and urgent care encounters related to the Delta and Omicron variants of SARS-CoV-2 in the first few months after vaccination. However, effectiveness waned over time, especially against Omicron. A third dose of the Pfizer/BioNTech vaccine was associated with improved protection against Omicron beyond that seen initially after two doses, underscoring the importance of boosters for adolescents ages 12 to 17.

Authors: Sara Y. Tartof, Ph.D., M.P.H., of Kaiser Permanente Southern California in Pasadena, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.25162)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, AUGUST 3, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.27437?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080322

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this cross-sectional study of 2,031 U.S. adults with children 6 months through 4 years old, half indicated they intended to get their child a COVID-19 vaccine at some point, but only one-fifth intended to do so within three months of the child’s eligibility. These findings suggest that considerable efforts to increase parental COVID-19 vaccine confidence for children in this age group may be needed to maximize COVID-19 vaccination for this age group.

Authors: Aaron M. Scherer, Ph.D., of the University of Iowa in Iowa City, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.27437)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, AUGUST 3, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.25331?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080322

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers compared rates of rapid antigen test positivity, COVID-19 symptoms and positive viral culture starting day six after a COVID-19 diagnosis among 40 individuals.

Authors: Lisa A. Cosimi, M.D., of Brigham and Women’s Hospital in Boston, and Deborah T. Hung, M.D., Ph.D., of the Broad Institute of MIT and Harvard in Cambridge, Massachusetts, are the corresponding authors.

(doi:10.1001/jamanetworkopen.2022.25331)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, AUGUST 2, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24657?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080222

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers found that 4-dose recipients of the Pfizer-BioNTech vaccine had a lower risk of acquiring COVID-19 than 3-dose recipients during the peak Omicron variant wave in this study of 29,000 health care workers in Israel.

Authors: Allon E. Moses, M.D., of the Hadassah-Hebrew University Medical Center in Jerusalem, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.24657)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, AUGUST 2, 2022

Media advisory: The full study and editorial are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24853?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080222

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: This study found a substantial increase in adult and pediatric mechanical ventilators reported by acute care hospitals in the U.S. during the COVID-19 pandemic in 2020 compared with 2019.

Authors: Thomas C. Tsai, M.D., M.P.H., of Brigham and Women’s Hospital in Boston, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.24853)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), MONDAY, AUGUST 1, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24701?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080122

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: The findings of this study of 2,700 children in the Netherlands suggest that maternal smoking throughout pregnancy may be associated with suboptimal brain development among offspring in the long term.

Authors: Hanan El Marroun, Ph.D., of University Medical Center Rotterdam, in Rotterdam, the Netherlands, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.24701)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), MONDAY, AUGUST 1, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.25149?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080122

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers found in this study of 788,000 adult smokers that the annual prevalence of past-year quit attempts decreased in 2020 during the COVID-19 pandemic, the first decrease since 2011. Simultaneously, compared with expected sales, observed sales of nicotine replacement therapy brands from representative retail scanner data across 31 states decreased. These findings suggest that smokers experiencing disproportionately negative outcomes during the pandemic should be reengaged and assisted in quit attempts.

Authors: Priti Bandi, Ph.D., of the American Cancer Society in Atlanta, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.25149)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), MONDAY, AUGUST 1, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24846?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=080122

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: This analysis of data that measures alcohol consumption among U.S. adults found that binge drinking and heavy alcohol consumption from 2011 through 2020 were higher among nonpregnant women than pregnant women, but the average annual percentage change for both behaviors was significantly greater among pregnant women.

Authors: Jeffrey T. Howard, Ph.D., University of Texas at San Antonio, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.24846)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24359?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072922

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, JULY 29, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23491?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072922

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this survey study of 1,086 adults, the share who believed that harassing or threatening public health officials because of business closures during the COVID-19 pandemic was justified increased from November 2020 to July and August 2021. There were increases in negative views over time among higher earners, political independents, those with more education, and those most trusting of science.

Authors: Rachel J. Topazian, B.A., of the Johns Hopkins Bloomberg School of Public Health in Baltimore, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23491)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24163?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072822

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, JULY 28, 2022

Media advisory: The full study is linked to this news release.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Using data from 3,028 patients in a large COVID-19 oncology data registry, researchers found that multiple different patient demographic factors, such as race and ethnicity, underlying primary malignant neoplasm (diagnosis and extent of spread), multi-morbidity, geographic location, receipt of COVID-19 vaccine, severity of COVID-19 infection, and timing of COVID-19 diagnosis, were associated with delays in cancer treatment.

Authors: Samyukta Mullangi, M.D., M.B.A., of the Memorial Sloan Kettering Cancer Center in New York, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.24296)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, JULY 28, 2022

Media advisory: The full study is linked to this news release.

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About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers examined changes in rates of opioid-involved overdose deaths from 1999 to 2020 in U.S. counties categorized from most urban to most rural.

Authors: Lori Ann Post, Ph.D., of Northwestern University in Chicago, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23631)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, JULY 27, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23080?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072722

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this study of 12,000 Medicare beneficiaries with heart failure at risk for requiring a left ventricular assist device (LVAD), Black patients were less likely than white patients to receive an LVAD and female patients were less likely than male patients to receive LVAD therapy. One-year survival among groups was similar after adjusting for individual poverty and community-level social determinants of health. Inequity in LVAD access may have resulted from differences in clinician decision-making because of systemic racism and discrimination, implicit bias or patient preference.

Authors: Thomas M. Cascino, M.D., M.Sc., of the University of Michigan in Ann Arbor, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23080)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, JULY 27, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23917?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072722

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Findings of this study of more than 95,000 Rhode Island residents suggest that among people who have recovered from COVID-19, subsequent completion of the primary vaccination series was associated with a reduction in risk of reinfection by approximately half.

Authors: Joseph W. Hogan, Sc.D., of the Brown University School of Public Health in Providence, Rhode Island, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23917)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, JULY 26, 2022

Media advisory: The full study is linked to this news release. A visual abstract is below.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23692?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072622

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

Visual Abstract

Authors: Karen Bonuck, Ph.D., of Albert Einstein College of Medicine in Bronx, New York, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23692)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, JULY 26, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.22106?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072622

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this study of up to 158,000 infants, children, adolescents and young adults, those conceived using assisted reproductive technology were shorter, lighter, and thinner by most estimates from infancy up to early adolescence compared with their naturally conceived peers, however the differences were small across all ages and reduced with older age.

Authors: Ahmed Elhakeem, Ph.D., of the University of Bristol in Bristol, United Kingdom, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.22106)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, JULY 26, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23708?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072622

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: This study of buprenorphine and methadone supplies to treat opioid use disorder during the COVID-19 pandemic found a pronounced decline in the methadone supply but no disruption to the buprenorphine supply.

Authors: Bradley D. Stein, M.D., Ph.D., of the RAND Corporation in Pittsburgh, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23708)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), MONDAY, JULY 25, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.24717?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072522

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers examined the physical and mental health experiences of 28 people who sought to discontinue or reverse gender-affirming medical or surgical interventions.

Authors: Kinnon R. MacKinnon, Ph.D., of York University in Toronto, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.24717)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, JULY 22, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23266?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072222

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this study involving 994,000 adults from U.S. states and territories, a slight decrease in the prevalence of current (past 30 days) e-cigarette use was found between 2018 and 2020. This decrease was mainly observed among young adults ages 18 to 20. In contrast, daily e-cigarette use consistently increased, particularly among young adults ages 21 to 24. This increase in daily use suggests greater nicotine dependence among those who use e-cigarettes, warranting continued surveillance.

Authors: Michael J. Blaha, M.D., M.P.H., of the Johns Hopkins School of Medicine in Baltimore, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23266)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, JULY 22, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23277?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072222

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: The findings of this study suggest that adolescent e-cigarette use was associated with an increased likelihood of future cannabis use, but the overall association of e-cigarette use with youth cannabis use at the population level is likely quite small.

Authors: Ruoyan Sun, Ph.D., of the University of Alabama at Birmingham, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23277)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, JULY 22, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23253?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072222

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this study of 1,884 SARS-CoV-2-positive children with 90-day follow-up, 5.8% of patients (including 9.8% of hospitalized children and 4.6% of discharged children) reported post-COVID-19 conditions, such as respiratory (cough, difficulty breathing or shortness of breath) and systemic (fatigue or weakness). Guidance and follow-up are particularly necessary for hospitalized children who have numerous acute symptoms and are older.

Authors: Stephen Freedman, M.D.C.M., M.Sc., of the University of Calgary in Calgary, Canada, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23253)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, JULY 22, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23389?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072222

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers evaluated the prevalence of mental health problems in transgender and gender diverse children ages 9 to 10 in this study that included nearly 7,200 children.

Authors: Kenneth C Pang, Ph.D., of the University of Melbourne in Victoria, Australia, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23389)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, JULY 21, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23236?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072122

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: In this study of 3,448 active-duty service members transitioning out of the military, the prevalence of problematic anger two years after separation (31.2%) was nearly double the prevalence two years before separation (15.9%). Problematic anger was associated with behavioral health problems, relationship health concerns and economic difficulties approximately five years later. These findings suggest the need to equip service members proactively with skills to identify and manage anger as a way to support them before and during this period of transition.

Authors: Amy B. Adler, Ph.D., of the Walter Reed Army Institute of Research in Silver Spring, Maryland, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23236)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, JULY 21, 2022

Media advisory: The full study and commentary are linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23090?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072122

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: This study evaluated the response to a third and fourth Pfizer-BioNTech COVID-19 vaccine dose among individuals age 60 or older in Israel by evaluating antispike immunoglobulin G antibody titers before and after each dose. This population is at high risk of developing severe SARS-CoV-2 disease and was the first to receive authorization for a third and fourth vaccine dose.

Authors: Noa Eliakim-Raz, M.D., of Beilinson Hospital in Petah Tikva, Israel, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23090)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, JULY 21, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.23401?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072122

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: Researchers examined the safety and adverse events associated with receipt of various 3-dose combinations of COVID-19 mRNA vaccines among long-term care residents in Quebec, Canada.

Authors: Quoc Dinh Nguyen, M.D., M.P.H., Ph.D., of the Centre hospitalier de l’Universite de Montreal in Montreal, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.23401)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, JULY 20, 2022

Media advisory: The full study is linked to this news release.

Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jamanetworkopen/fullarticle/10.1001/jamanetworkopen.2022.22385?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072022

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.

About The Study: This study of a nationally representative sample of U.S. adults assessed whether two different types of federal rental assistance programs are associated with glycated hemoglobin A1c (HbA1c) levels among middle-age and older adults.

Authors: Andrew Fenelon, Ph.D., of Penn State University in University Park, Pennsylvania, is the corresponding author.

(doi:10.1001/jamanetworkopen.2022.22385)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or email media relations.