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Behavior, intention or chance? a longitudinal study of HIV seroadaptive behaviors, abstinence and condom use

McFarland, W and Chen, YH and Nguyen, B and Grasso, M and Levine, D and Stall, R and Colfax, G and Robertson, T and Truong, HHM and Raymond, HF (2012) Behavior, intention or chance? a longitudinal study of HIV seroadaptive behaviors, abstinence and condom use. AIDS and Behavior, 16 (1). 121 - 131. ISSN 1090-7165

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Abstract

Seroadaptive behaviors have been widely described as preventive strategies among men who have sex with men (MSM) and other populations worldwide. However, causal links between intentions to adopt seroadaptive behaviors and subsequent behavior have not been established. We conducted a longitudinal study of 732 MSM in San Francisco to assess consistency and adherence to multiple seroadaptive behaviors, abstinence and condom use, whether prior intentions predict future seroadaptive behaviors and the likelihood that observed behavioral patterns are the result of chance. Pure serosorting (i.e., having only HIV-negative partners) among HIV-negative MSM and seropositioning (i.e., assuming the receptive position during unprotected anal sex) among HIV-positive MSM were more common, more successfully adhered to and more strongly associated with prior intentions than consistent condom use. Seroconcordant partnerships occurred significantly more often than expected by chance, reducing the prevalence of serodiscordant partnerships. Having no sex was intended by the fewest MSM, yet half of HIV-positive MSM who abstained from sex at baseline also did so at 12 month follow-up. Nonetheless, no preventive strategy was consistently used by more than onethird of MSM over all and none was adhered to by more than half from baseline to follow-up. The effectiveness of seroadaptive strategies should be improved and used as efficacy endpoints in trials of behavioral prevention interventions. © 2011 Springer Science+Business Media, LLC.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
McFarland, W
Chen, YH
Nguyen, B
Grasso, M
Levine, D
Stall, Rrstall@pitt.eduRSTALL
Colfax, G
Robertson, T
Truong, HHM
Raymond, HF
Centers: Other Centers, Institutes, or Units > Center for LGBT Health Research
Date: 1 January 2012
Date Type: Publication
Journal or Publication Title: AIDS and Behavior
Volume: 16
Number: 1
Page Range: 121 - 131
DOI or Unique Handle: 10.1007/s10461-011-9936-8
Schools and Programs: Graduate School of Public Health > Behavioral and Community Health Sciences
Refereed: Yes
ISSN: 1090-7165
Date Deposited: 12 Jun 2013 21:13
Last Modified: 02 Feb 2019 15:55
URI: http://d-scholarship.pitt.edu/id/eprint/18889

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