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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), MONDAY, MAY 11, 2020

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.

What The Study Did: Nearly 14,000 current and former National Football League (NFL) players were included in an observational study that examined whether a greater amount of repeated head impacts throughout a professional football career were associated with increased risk of death.

Authors: Brittany L. Kmush, Ph.D., of Syracuse University in Syracuse, New York, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.4442)

Editor’s Note: The article includes funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts 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, MAY 11, 2020

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.

What The Study Did: In this randomized clinical trial, researchers assessed the effect on measures of quality of life among women who watched Disney movies during chemotherapy for gynecologic cancer.

Authors: Johannes Ott, M.D., of the Medical University of Vienna in Austria, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.4568)

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

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, MAY 7, 2020

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.

What The Study Did: The clinical characteristics of men with coronavirus disease 2019 (COVID-19) whose semen tested positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are examined in this observational study.

Authors: Weiguo Zhao, M.D., of the Eighth Medical Center of Chinese People’s Liberation Army General Hospital in Beijing, and Shixi Zhang, M.D., of the Shangqiu Municipal Hospital in Shangqiu City, Henan Province, China, are the corresponding authors.

(doi:10.1001/jamanetworkopen.2020.8292)

Editor’s Note: The article includes funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts 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, MAY 6, 2020

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.

What The Study Did: The intensive care unit and inpatient bed needs for patients with coronavirus disease 2019 (COVID-19) in two cities in China are described and compared to estimate the peak number of intensive care unit beds needed in U.S. cities if an outbreak equivalent to that in Wuhan occurs.

Authors: Ruoran Li, M.Phil., of the Harvard T.H. Chan School of Public Health in Boston, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.8297)

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

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JAMA Network Open

EMBARGOED FOR RELEASE: 11:05 A.M. (ET), FRIDAY, APRIL 24, 2020

Media advisory: The full study and editorial 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.

What The Study Did: This randomized clinical trial evaluates the safety and efficacy of two  chloroquine diphosphate dosages in patients with severe coronavirus disease 2019 (COVID-19).

Authors: Marcus Vinícius Guimarães Lacerda, M.D., of the Fundação de Medicina Tropical Dr Heitor Vieira Dourado in Manaus, Brazil, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.8857)

Editor’s Note: The article contains conflict of interest and funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts 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, APRIL 27, 2020

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.

What The Study Did: Nationally representative survey data from 16,000 U.S. households were used to identify socioeconomic and other factors associated with disaster preparedness among households, such as having food and water stockpiles, an electric generator, communication plans and meeting locations to identify disparities.

Authors: Lucila M. Zamboni, Ph.D., M.P.P., of the University at Albany-State University of New York, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.6881)

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

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), MONDAY, APRIL 27, 2020

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.2020.3316?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=042720

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.

What The Study Did: This study evaluated Medicaid benefits coverage and reimbursement amounts for recommended adult vaccines in all 50 states and the District of Columbia.

Authors: Charleigh J. Granade, M.P.H., of the Centers for Disease Control and Prevention in Atlanta, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.3316)

Editor’s Note: The article includes conflict of interest disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts 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, APRIL 23, 2020

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.

What The Study Did: This decision analytical model describes several key epidemiological features of imported coronavirus disease 2019 (COVID-19) cases in Wenzhou, China.

Authors: Xiaoqing Pan, Ph.D., of Shanghai Normal University, and Yan Lu, Ph.D., of Zhejiang University School of Medicine, in China, are the corresponding authors.

(doi:10.1001/jamanetworkopen.2020.6785)

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

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), FRIDAY, APRIL 24, 2020

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.2020.3423?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=042420

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.

What The Study Did: Researchers in this survey study examined whether watching the 2019 movie “Joker,” in which the namesake character is violent and has mental illness, was associated with a change in the level of prejudice toward people with mental illness compared with others who watched another movie.

Authors: Damian Scarf, Ph.D., of the University of Otago in Dunedin, New Zealand, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.3423)

Editor’s Note: Please see the articles for additional information, including other authors, author contributions and affiliations, conflicts 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, APRIL 21, 2020

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.

What The Study Did: This study looked at how common it was among nearly 4,500 female veterans (age 45 and older) to screen positive for intimate partner violence during routine screening at some Veterans Health Administration clinics, and researchers investigated associations of positive screening results with health conditions and the use of health care services.

Authors: Lena K. Makaroun, M.D., M.S., of the VA Center for Health Equity Research and Promotion in Pittsburgh, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.3138)

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

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), THURSDAY, APRIL 16, 2020

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

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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.

What The Study Did: This randomized clinical trial compared blood pressure control after a heart attack among 200 patients who received either regular follow-up care of four visits to an outpatient clinic or who were given four smartphone-compatible devices (weight scale, blood pressure monitor, heart rhythm monitor and step counter) and had two care visits via a video connection and two outpatient clinic visits. There is a need for interventions that may help to improve patient compliance with guideline-based therapy following a heart attack.

Authors: Martin Jan Schalij, M.D., Ph.D., of the Leiden University Medical Center in Leiden, the Netherlands, is the corresponding author.

Visual Abstract

(doi:10.1001/jamanetworkopen.2020.2165)

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

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JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, APRIL 15, 2020

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.

What The Study Did: Older age for parents has been associated with autism spectrum disorders (ASDs) in children, however little is known about the association between the age of grandparents at the time of the birth of the parent and the risk of ASD in the grandchildren. This association was investigated in an observational study with the use of data from Danish national health registries that included three generations and 1.4 million children born from 1990 to 2013.

Authors: Zeyan Liew, Ph.D., M.P.H., of the Yale School of Public Health in New Haven, Connecticut, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.2868)

Editor’s Note: The article includes funding/support disclosures. Please see the articles for additional information, including other authors, author contributions and affiliations, conflicts 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, APRIL 13, 2020

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.

What The Study Did: Risks for obesity and type 2 diabetes in adulthood were compared among 33,000 women born by cesarean or vaginal delivery between 1946 and 1964 in this observation study that included participants in the Nurses’ Health Study II.

Authors: Jorge E. Chavarro, M.D., Sc.D., of the Harvard T.H. Chan School of Public Health in Boston, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.2605)

Editor’s Note: The article includes conflict of interest and funding/support disclosures. Please see the articles for additional information, including other authors, author contributions and affiliations, conflicts 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, APRIL 10, 2020

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.

What The Study Did: This case series describes clinical characteristics of patients who died of coronavirus disease 2019 (COVID-19) in China.

Authors: Haibo Qiu, M.D., Ph.D., of Zhongda Hospital, Southeast University in Jiangsu, China, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.5619)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflicts 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), THURSDAY, APRIL 9, 2020

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.

What The Study Did: This study combined the results of 47 studies with 23,000 participants to estimate how common cannabis withdrawal syndrome (symptoms include irritability, nervousness or anxiety, depression and headache) is among individuals who stop regular use.

Authors: Anees Bahji, M.D., of Queen’s University in Kingston, Ontario, Canada, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.2370)

Editor’s Note: The article includes conflict of interest disclosures. Please see the articles for additional information, including other authors, author contributions and affiliations, conflicts 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.2020.2306?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=040820

JAMA Network Open

EMBARGOED FOR RELEASE: 11 A.M. (ET), WEDNESDAY, APRIL 8, 2020

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.2020.2950?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=040820

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.

What The Study Did: Data for 950,000 black, white, Asian and Hispanic patients in the U.S. diagnosed with prostate, ovarian, breast, stomach, pancreatic, lung, liver, esophageal, or colorectal cancers were analyzed to examine differences by race and ethnicity in stage at diagnosis, use of therapy, overall survival and cancer-specific survival.

Authors: Haiyong Wang, Ph.D., of the Shandong First Medical University and Shandong Academy of Medical Sciences in Shandong, China, is the corresponding author.

(doi:10.1001/jamanetworkopen.2020.2950)

Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflicts 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.