Kiffer G. Card|Heather L. Armstrong|Nathan J. Lachowsky|Zishan Cui|Paul Sereda|Allison Carter|Julio Montaner|Robert S. Hogg|Eric Abella Roth|David Moore
Belief in Treatment as Prevention and Its Relationship to HIV Status and Behavioral Risk
AIDS Vancouver|Simon Fraser University|AIDS Vancouver|University of British Columbia|AIDS Vancouver|University of Victoria|AIDS Vancouver|AIDS Vancouver|Simon Fraser University|AIDS Vancouver|AIDS Vancouver|University of British Columbia|AIDS Vancouver|Simon Fraser University|University of Victoria|AIDS Vancouver|University of British Columbia
background evaluated attitudes toward treatment prevention tasp among gay bisexual men sex men gbm vancouver canada methods sexually active gbm aged 16 years recruited 2012 2015 using respondentdriven sampling 6month followup participants completed computeradministered questionnaire nursing visit repeatedmeasures latent class analysis grouped selfreported serostatus identified patterns tasp endorsement considering tasprelated awareness attitudes behavior binary logistic regression identified covariates class membership bivariate interactions visit number identified factors associated longitudinal changes class membership results total 774 men provided 2590 observations 698 enrolled cohort 575 least 1 followup visit among median followup time 198 years q 1 q 2 149249 years repeatedmeasures latent class analysis identified 3 classes unaware 642 hiv negativeunknown vs 292 hiv positive skeptical 297 vs 231 believing 61 vs 477 membership classes representing higher tasp endorsement associated greater odds condomless anal sex sexual partners age sexual orientation ethnicity substance use social time spent gbm also associated class membership longitudinally class membership stable among hivpositive men shifted toward greater tasp endorsement among hivnegativeunknown men hivnegativeunknown men increasing endorsement positively associated greater education employed relationship substance use inversely associated recent serodiscordant condomless anal sex sexually transmitted infection diagnosis conclusions time disparities tasp diffusion hiv status lessened although continue persist across key social strata