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Mental health in people with minority sexual orientations: A meta-analysis of population-based studies
Charlotte Wittgens1,2, Mirjam M Fischer3, Pichit Buspavanich4,5,6
1Department of Psychology, Faculty of Human Sciences, Medical School Hamburg, Hamburg, Germany.
Aims:
To conduct a meta-analysis of population-based studies to quantify the association between sexual minority status (lesbian women, gay men, and bisexual people) and the risk of common mental disorders (depressive disorders, alcohol use disorders (AUD), anxiety disorders, and suicidality).
Method:
PubMed, PsycInfo, Web of Science, the Cochrane Library Database, the Applied Social Sciences Index and Abstracts, and ProQuest were searched for relevant studies published between 2000 and May 2020. The PRISMA guidelines were followed for selection processes. Twenty-six studies met the inclusion criteria which included a total of 519,414 heterosexuals, 10,178 lesbian/gay people and 14,410 bisexual people.
Results:
Lesbian/gay people (ORs between 1.97, 95% [CI = 1.76, 2.19] and 2.89, 95% [CI = 2.41,3.38]) and bisexual people (ORs between 2.70; 95% [CI = 2.21,3.18], and 4.81; 95% [CI = 3.63, 5.99]) had a higher risk for mental disorders than heterosexuals for all investigated diagnostic categories. The risk for depression (OR = 2.70; 95% [CI = 2.21, 3.18]) and suicidality (OR = 4.81; 95% [CI = 3.63, 5.99]) was higher in bisexual compared with lesbian/gay people. Exploratory meta-regressions revealed no evidence for a decrease in mental health differences between people with minority sexual orientations and heterosexuals in more recent years of data assessment, except for AUD.
Conclusions:
These findings clearly suggest disparities in mental health between people with minority sexual orientations and heterosexual people. There is a lack of data regarding a wider spectrum of sexual orientations and mental disorders and studies in non-Western countries.
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