Public Release:  Same-sex marriage laws reduce doctor visits and health care costs for gay men

Columbia University's Mailman School of Public Health

Gay men are able to lead healthier, less stress-filled lives when states offer legal protections to same-sex couples, according to a new study examining the effects of the legalization of same-sex marriage in Massachusetts. The study, "Effect of Same-Sex Marriage Laws on Health Care Use and Expenditures in Sexual Minority Men: A Quasi-Natural Experiment," is online in the American Journal of Public Health.

"Our results suggest that removing these barriers improves the health of gay and bisexual men," said Mark L. Hatzenbuehler, PhD, lead author of the study and a Robert Wood Johnson Foundation Health & Society Scholar at Columbia University's Mailman School of Public Health.

In the 12 months following the 2003 legalization of same-sex marriage in Massachusetts, gay and bisexual men had a significant decrease in medical care visits, mental health care visits, and mental health care costs, compared with the 12 months before the law change. This amounted to a 13-percent reduction in health care visits and a 14-percent reduction in health care costs. These health effects were similar for partnered and single gay men.

Among HIV-positive men, there was no reduction in HIV-related visits, suggesting that those in need of HIV/AIDS care continued to seek needed health care services.

For the study, researchers surveyed 1,211 patients from a large, community-based health clinic in Massachusetts that focuses on serving sexual minorities. Examining the clinic's billing records in the wake of the approval of Massachusetts' same-sex marriage law, researchers found a reduction in hypertension, depression, and adjustment disorders--all conditions associated with stress.

"These findings suggest that marriage equality may produce broad public health benefits by reducing the occurrence of stress-related health conditions in gay and bisexual men," Dr. Hatzenbuehler said.

Previous studies have documented that excluding lesbian, gay, and bisexual individuals from marriage has a stressful impact on this population. Dr. Hatzenbuehler's study is the first study to examine whether same-sex marriage policies influence health care use and health care expenditures among sexual minorities. Lesbians were not included in the survey due to insufficient sample size among the patients who visit the clinic.

"This research makes important contributions to a growing body of evidence on the social, economic, and health benefits of marriage equality," Dr. Hatzenbuehler said. The research findings presented here are those of the researcher and are not necessarily the views of the Robert Wood Johnson Foundation.

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About Columbia University's Mailman School of Public Health

Founded in 1922 as one of the first three public health academies in the nation, Columbia University's Mailman School of Public Health pursues an agenda of research, education, and service to address the critical and complex public health issues affecting New Yorkers, the nation, and the world. The Mailman School is the third largest recipient of NIH grants among schools of public health. Its over 300 multidisciplinary faculty members work in more than 100 countries around the world, addressing such issues as preventing infectious and chronic diseases, environmental health, maternal and child health, health policy, climate change & health, and public health preparedness. It is a leader in public health education with over 1,000 graduate students from more than 40 nations pursuing a variety of master's and doctoral degree programs. The Mailman School is also home to numerous world-renowned research centers including the International Center for AIDS Care and Treatment Programs (ICAP), the National Center for Disaster Preparedness, and the Center for Infection and Immunity. For more information, please visit http://www.mailman.columbia.edu

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