| Summary: | Objectives: To investigate associations between sexual orientation and all-cause mortality. Study design: Prospective cohort study. Methods: The 2008 public health survey in Scania was conducted with a postal questionnaire later linked to 9.3-year prospective death register data, including 25,071 respondents, aged 18–80. Analyses were conducted with sex-stratified survival analyses. Results: In the models including age, birth country and socioeconomic status, bisexual men had a hazard rate ratio (HRR) 1.91 (1.10–3.30) compared to heterosexual men, and bisexual women had a HRR 3.18 (1.64–6.18). No significant differences were observed for homosexuals. Other women had a HRR 2.32 (1.47–3.67). Conclusions: Bisexuals men and women had higher mortality than heterosexuals.
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