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 assessed the association between the season during gestation and the rate of extremely preterm births among 1.1 million pregnancies in Denmark between 1997 and 2016.
Authors: Anders Hviid, Dr.Med.Sci., of the Statens Serum Institut in Copenhagen, Denmark, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.45800)
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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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 of students in kindergarten through 8th grade in California evaluated changes in homeschooling rates after the elimination of nonmedical exemptions to the requirement of childhood immunizations for school entry.
Authors: Kavin M. Patel, M.D., of the Yale School of Medicine in New Haven, Connecticut, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.46467)
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What The Study Did: This article reviews social factors associated with rising U.S. mortality from deaths of despair (suicide, poisoning by alcohol and drugs) and suggests new programs to deal with this crisis.
Authors: Peter Sterling, Ph.D., of the University of Pennsylvania in Philadelphia, is the corresponding author.
(10.1001/jamapsychiatry.2021.4209)
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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: Researchers examined the associations of social isolation and loneliness with the risk of cardiovascular disease among 57,000 older women in the United States.
Authors: Natalie M. Golaszewski, Ph.D., and John Bellettiere, Ph.D., of the University of California, San Diego, are the corresponding authors.
(doi:10.1001/jamanetworkopen.2021.46461)
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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: Researchers investigated the association between the amount and distribution of body fat and cognitive function scores among 9,100 adults.
Authors: Sonia S. Anand, M.D., Ph.D., of McMaster University and Hamilton Health Sciences in Hamilton, Ontario, Canada, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.46324)
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Authors: Bruno Levy, M.D., Ph.D., of the Pole Cardio-Medico-Chirurgical in Vandoeuvre-les-Nancy, France, is the corresponding author.
(doi:10.1001/jama.2021.24776)
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Authors: Samuel Nurko, M.D., M.P.H., of Boston Children’s Hospital, is the corresponding author.
(doi:10.1001/jamapediatrics.2021.5750)
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What The Study Did: This randomized clinical trial assessed how the instructions and results of at-home COVID-19 self-tests are interpreted and whether users appropriately quarantine per federal recommendations.
Authors: Steven Woloshin, M.D., M.S., of the Dartmouth Institute for Health Policy and Clinical Practice in Lebanon, New Hampshire, is the corresponding author.
(doi:10.1001/jamainternmed.2021.8075)
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What The Study Did: Researchers investigated the association between screen time at age 1 and the presence or absence of an autism spectrum disorder diagnosis at age 3 among 84,000 children in Japan.
Authors: Megumi Kushima, M.A., of the University of Yamanashi in Yamanashi, Japan, is the corresponding author.
(doi:10.1001/jamapediatrics.2021.5778)
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What The Study Did: This study estimated the years of life lost from unintentional drug overdose deaths among adolescents and young adults in the U.S. from 2015 to 2019.
Authors: O. Trent Hall, D.O., of the Ohio State University Wexner Medical Center in Columbus, is the corresponding author.
(doi:10.1001/jamapediatrics.2021.6032)
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What The Study Did: Survey data from 55,000 U.S. adults were used to examine changes in the reported use of melatonin supplements from 1999 to 2018.
Authors: Naima Covassin, Ph.D., of the Mayo Clinic in Rochester, Minnesota, is the corresponding author.
(doi:10.1001/jama.2021.23652)
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About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
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 examined changes in mental health care during the pandemic and the use of telemedicine in outpatient care among more than 650,000 Medicare beneficiaries with severe mental illness.
Authors: Alisa B. Busch, M.D., M.S., of McLean Hospital in Belmont, Massachusetts, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.45677)
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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: Patient- and prescription-related factors associated with opioid-related fatal or nonfatal overdose were investigated among 236,000 individuals.
Authors: Scott G. Weiner, M.D., M.P.H., of Brigham and Women’s Hospital in Boston, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.45691)
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About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
What The Study Did: This study of 2.5 million adults examined the extent to which state- and community-level factors are associated with within-hospital disparities in hospital readmission rates for dual-eligible Medicare patients.
Authors: Demetri Goutos, M.B.A., of the Yale School of Medicine in New Haven, Connecticut, is the corresponding author.
(doi:10.1001/jamahealthforum.2021.4695)
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About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
What The Study Did: Researchers evaluated the distribution of reimbursement funds from the Provider Relief Fund to health care professionals and facilities for uninsured patients with COVID-19.
Authors: Stephen T. Parente, Ph.D., M.P.H., M.S., of the University of Minnesota in Minneapolis, is the corresponding author.
(doi:10.1001/jamahealthforum.2021.4695)
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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.
Visual Abstract
Authors: Douglas W. Blayney, M.D., of the Stanford Cancer Institute in Stanford, California, and Qingyuan Zhang, M.D., of the Harbin Medical University Cancer Hospital in Harbin, China, are the corresponding authors.
(doi:10.1001/jamanetworkopen.2021.45446)
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What The Study Did: Researchers compared the incidence of sudden sensorineural hearing loss, commonly known as sudden deafness, during the COVID-19 pandemic in Israel with pre-pandemic levels.
Authors: Ilana Doweck, M.D., of the Lady Davis Carmel Medical Center in Haifa, Israel, is the corresponding author.
(doi:10.1001/jamaoto.2021.4105)
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What The Study Did: The extent to which geographic variation in initial breast cancer care can be attributed to patient versus regional factors was investigated in this study of 31,000 patients.
Authors: Michael J. Hassett, M.D., M.P.H., of the Dana-Farber Cancer Institute in Boston, is the corresponding author.
(doi:10.1001/jamaoncol.2021.7337)
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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 survey study of 6,600 childcare professionals from all 50 states assessed the association between masking children age 2 and older and subsequent childcare closure because of COVID-19.
Authors: Thomas S. Murray, M.D., Ph.D., of the Yale School of Medicine in New Haven, Connecticut, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.41227)
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Authors: Edna B. Foa, Ph.D., of the University of Pennsylvania in Philadelphia, is the corresponding author.
(10.1001/jamapsychiatry.2021.3997)
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Authors: Thomas D. Marcotte, Ph.D., of the University of California, San Diego, is the corresponding author.
(10.1001/jamapsychiatry.2021.4037)
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What The Study Did: Researchers compared screening and skin cancer risk factors of Asian American individuals with non-Hispanic white individuals in this study with 84,000 survey participants.
Authors: Howa Yeung, M.D., M.Sc., of the Emory University School of Medicine in Atlanta, is the corresponding author.
(doi:10.1001/jamadermatol.2021.5657)
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What The Study Did: This review of 392 randomized clinical trials examined whether there has been a change in the representation of racial and ethnic minority groups and women in trials for common dermatologic conditions.
Authors: Vivien Chen, B.S., of the University of Miami Miller School of Medicine, is the corresponding author.
(doi:10.1001/jamadermatol.2021.5596)
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Authors: Rajani S. Sadasivam, Ph.D., of the University of Massachusetts Medical School in Worcester, Massachusetts, is the corresponding author.
(doi:10.1001/jamainternmed.2021.7866)
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Authors: Yarden S. Fraiman, M.D., of Beth Israel Deaconess Medical Center in Boston, is the corresponding author.
(doi:10.1001/jamapediatrics.2021.5740)
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What The Study Did: Researchers used data from accelerometers worn by study participants to estimate the number of deaths that could be prevented among adults age 40 to 85 with increased physical activity.
Authors: Pedro F. Saint-Maurice, Ph.D., of the National Institutes of Health in Bethesda, Maryland, is the corresponding author.
(doi:10.1001/jamainternmed.2021.7755)
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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: Changes in psychological distress among U.S. adults during four different phases of the COVID-19 pandemic in 2020 and 2021 were assessed in this survey study.
Authors: Emma E. McGinty, Ph.D., of the Johns Hopkins Bloomberg School of Public Health in Baltimore, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.44776)
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What The Study Did: This study examined reports of myocarditis after mRNA-based COVID-19 vaccination and researchers estimated the risk of myocarditis based on age, sex and vaccine type.
Authors: Matthew E. Oster, M.D., M.P.H., of the Centers for Disease Control and Prevention in Atlanta, is the corresponding author.
(doi:10.1001/jama.2021.24110)
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EMBARGOED FOR RELEASE: 11 A.M. (ET), TUESDAY, JANUARY 25, 2022
Media advisory: To contact the U.S. Preventive Services Task Force, email the Media Coordinator at Newsroom@USPSTF.net or call 301-951-9203. The full report and related articles are linked to this news release.
Bottom Line: The U.S. Preventive Services Task Force (USPSTF) concludes that the current evidence is insufficient to make a recommendation about screening for atrial fibrillation (AF). This statement applies to adults age 50 or older without a diagnosis or symptoms of AF and without a history of transient ischemic attack or stroke. Atrial fibrillation is the most common cardiac arrhythmia and is a major risk factor for ischemic stroke and is associated with a substantial increase in the risk of stroke. The USPSTF routinely makes recommendations about the effectiveness of preventive care services and this recommendation replaces the 2018 USPSTF recommendation statement on screening for AF with electrocardiogram (ECG). In 2018, the USPSTF concluded that the evidence was insufficient to assess the balance of benefits and harms of using ECG to screen for AF. For the current recommendation statement, the USPSTF expanded its review to include other screening tests in addition to ECG. The USPSTF again concludes that the evidence is insufficient to assess the balance of benefits and harms of screening for AF in asymptomatic adults.
(doi:10.1001/jama.2021.23732)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.
Note: More information about the U.S. Preventive Services Task Force, its process, and its recommendations can be found on the newsroom page of its website.
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About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
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 of 34,000 physicians in Ontario, Canada examined the association between the COVID-19 pandemic and changes in outpatient health care visits by physicians related to mental health and substance use.
Authors: Daniel T. Myran, M.D., M.P.H., of the Ottawa Hospital Research Institute in Ottawa, Canada, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.43160)
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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: More than 15,000 respondents were included in this survey study that examined the association between having moderate or greater symptoms of depression and believing COVID-19 vaccine-related misinformation.
Authors: Roy H. Perlis, M.D., M.Sc., of Massachusetts General Hospital in Boston, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.45697)
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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: COVID-19 vaccine hesitancy decreased more rapidly among Black individuals compared to white individuals since December 2020, according to the results of this survey study of 1,200 U.S. adults.
Authors: Tasleem J. Padamsee, Ph.D., of Ohio State University in Columbus, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.44470)
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About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
What The Study Did: Researchers examined changes during the first wave of the COVID-19 pandemic in Canada in health service use and the rate of death among people with dementia, Parkinson disease and older adults without neurodegenerative disease.
Authors: Susan E. Bronskill, of ICES in Toronto, is the corresponding author.
(doi:10.1001/jamahealthforum.2021.4599)
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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.
Visual Abstract
Authors: Joseph Burzynski, M.D., M.P.H., of the New York City Department of Health and Mental Hygiene, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.44210)
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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.
Visual Abstract
Authors: David J. Marcinek, Ph.D., of the University of Washington Medical Center in Seattle, and Anurag Singh, M.D., Ph.D., of Amazentis SA in Ecublens, Switzerland, are the corresponding authors.
(doi:10.1001/jamanetworkopen.2021.44279)
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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 survey study including 2,100 participants found that adult lesbian, gay, bisexual, queer, asexual and other sexual identity (LGBQA+) individuals were at increased risk for having experienced sexual violence during adolescence and young adulthood.
Authors: David J. Inwards-Breland, M.D., M.P.H., of Rady Children’s Hospital in San Diego, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.44266)
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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: Medicare claims data were used to analyze health outcomes of patients admitted to the hospital and treated by hospitalists on busy compared with less busy days.
Authors: Jennifer P. Stevens, M.D., of the Beth Israel Deaconess Medical Center in Boston, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.44261)
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Authors: Michael J. Rosen, M.D., of the Cleveland Clinic Foundation, is the corresponding author.
(doi:10.1001/jamasurg.2021.6902)
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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.
Visual Abstract
Authors: Paula P. Schnurr, Ph.D., of the National Center for PTSD in White River Junction, Vermont, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.36921)
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What The Study Did: This survey study estimated the change from 2011 to 2018 in the proportion of adults in the U.S. with coronary heart disease.
Authors: Cathleen Gillespie, M.S., of the Centers for Disease Control and Prevention in Atlanta, is the corresponding author.
(doi:10.1001/jamacardio.2021.5613)
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Authors: Meagan P. O’Brien, M.D., of Regeneron Pharmaceuticals Inc., in Tarrytown, New York, is the corresponding author.
(doi:10.1001/jama.2021.24939)
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Authors: Derek J. Williams, M.D., M.P.H., and C. Buddy Creech, M.D., M.P.H., of Vanderbilt University Medical Center in Nashville, Tennessee, are the corresponding authors.
(doi:10.1001/jamapediatrics.2021.5547)
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What The Study Did: This review of 36 studies from 11 countries summarizes evidence from the first COVID-19 wave on school closures during social lockdown and the physical and mental health of children and teens.
Authors: Russell Viner, Ph.D., of the UCL Great Ormond St. Institute of Child Health in London, is the corresponding author.
(doi:10.1001/jamapediatrics.2021.5840)
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 emailmedia relations.
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 analysis including 7.8 million patients found significant disparities in the incidence of localized and metastatic prostate cancer between African American and white veterans treated in the Veterans Affairs health care system.
Authors: Kosj Yamoah, M.D., Ph.D., of the H. Lee Moffitt Cancer & Research Institute in Tampa, Florida, and Isla P. Garraway, M.D., Ph.D., of the David Geffen School of Medicine at UCLA in Los Angeles, are the corresponding authors.
(doi:10.1001/jamanetworkopen.2021.44027)
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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What The Study Did: In this randomized clinical trial with 562 noncritically ill patients hospitalized for COVID-19, the use of a P2Y12 inhibitor combined with a therapeutic dose of heparin didn’t increase the odds of improvement in organ support-free days over 21 days during hospitalization.
Authors: Jeffrey S. Berger, M.D., M.S., of the NYU Grossman School of Medicine in New York, is the corresponding author.
(doi:10.1001/jama.2021.23605)
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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What The Study Did: Researchers examined whether there were differences by insurance type in the return to expected rates of use of ambulatory care services in the first year of the COVID-19 pandemic.
Authors: John N. Mafi, M.D., M.P.H., of the David Geffen School of Medicine at UCLA in Los Angeles, is the corresponding author.
(doi:10.1001/jama.2021.24294)
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 emailmedia relations.
About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
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 analyzed the association of COVID-19–related lockdown measures with the progression of nearsightedness in schoolchildren in Hong Kong and compared the effectiveness of two types of lenses in reducing the progression.
Authors: Henry Ho-lung Chan, Ph.D., of the Hong Kong Polytechnic University in Hong Kong, is the corresponding author.
(doi:10.1001/jamanetworkopen.2021.43781)
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.
# # #
For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or emailmedia relations.
About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
What The Study Did: This study investigated how common the use of extended radiation therapy is to treat metastatic cancer in patients near the end of life despite guidelines advising against this use.
Authors: Erin F. Gillespie, M.D., of Memorial Sloan Kettering Cancer Center in New York, is the corresponding author.
(doi:10.1001/jamahealthforum.2021.4468)
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.
# # #
For more information, contact JAMA Network Media Relations at 312-464-JAMA (5262) or emailmedia relations.
About JAMA Health Forum: JAMA Health Forum has transitioned from an information channel to an international, peer-reviewed, online, open access journal that addresses health policy and strategies affecting medicine, health and health care. The journal publishes original research, evidence-based reports and opinion about national and global health policy; innovative approaches to health care delivery; and health care economics, access, quality, safety, equity and reform. Its distribution will be solely digital and all content will be freely available for anyone to read.
What The Study Did: This analysis of 676 U.S. health care systems found that features associated with overuse of health care included having fewer primary care physicians, being investor owned and less likely to include a major teaching hospital.
Authors: Jodi B. Segal, M.D., M.P.H., of the Johns Hopkins University School of Medicine in Baltimore, is the corresponding author.
(doi:10.1001/jamahealthforum.2021.4543)
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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