title: Social network composition and sexual risk-taking among gay and bisexual men in Atlanta, GA.
abstract: Social network composition is known to effect patterns of reported sexual risk-taking among men who have sex with men (MSM); however, consensus as to the directionality and size of these effects is lacking. We examined the relationships between novel aspects of social network composition and sexual risk-taking using a cross-sectional survey of 870 MSM. Social network composition was found to have mixed effects on reported sexual risk-taking: reporting proportionally more lesbian, gay, or bisexual (LGB)-identified friends and reporting friends who were on average significantly older than the respondent were both associated with reporting increased sexual risk, while reporting proportionally more LGB-identified friends in relationships and reporting a social network proportionally more aware of the respondent's homosexuality/bisexuality were both associated with reporting decreased sexual risk. The support structures created by differing social network compositions-and particularly the presence of LGB couples-may be a potential area for targeting sexual risk-reduction interventions for MSM.
authors.affiliation: Hubert Department of Global Health, Emory University Rollins School of Public Health, 1518 Clifton Rd NE, Atlanta, GA, 30312, USA, cafinne@emory.edu.
authors.forename: Catherine
authors.initials: C
authors.lastname: Finneran
authors.forename: Rob
authors.initials: R
authors.lastname: Stephenson
mesh_terms: D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D001727:Bisexuality / Q000523:psychology* / Q000706:statistics & numerical data; D016009:Chi-Square Distribution; D003430:Cross-Sectional Studies; D005845:Georgia; D018451:Homosexuality, Male / Q000523:psychology* / Q000706:statistics & numerical data; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008875:Middle Aged; D012309:Risk-Taking; D012494:Sampling Studies; D012944:Social Support; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires; D055815:Young Adult
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