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336443
MSMW differ from MSM in preference for insertive UAI: Do they also differ in self-efficacy that predicts insertive UAI?


Sunday, November 1, 2015

Janeane N. Anderson, PhD, MPH, Annenberg School for Communication & Journalism, University of Southern California, Los Angeles, CA
Katherine Elder, M.P.A., Annenberg School for Communication and Journalism, University of Southern California, Los Angeles, CA
Lynn Carol Miller, Ph.D., Annenberg School for Communication and Journalism, University of Southern California, Los Angeles, CA
John Christensen, Ph.D., Department of Communication, University of Connecticut, Storrs, CT
Paul Robert Appleby, Ph.D., Department of Psychology, University of Southern California, Los Angeles, CA
Stephen J. Read, Ph.D., Department of Psychology, University of Southern California, Los Angeles, CA
CDC suggests that MSMW are the main conduit for HIV to women. But, how do they differ from other MSM in sexual risk behaviors with male partners? Prior work suggests that MSMW report a larger proportion of insertive to total anal intercourse (PIAI). Do MSMW also report a larger proportion of unprotected insertive to total insertive anal intercourse (PIUAI)? Do MSM and MSMW differ in predictors of risk? To address this, we compared MSMW and MSM on PIAI and PIUAI and whether condom-use self-efficacy predicts PIUAI.

Sexually risky MSM (766) and MSMW (166) were surveyed about their self-efficacy for safer sex and past 90-day insertive and receptive anal intercourse and unprotected anal intercourse with non-primary male partners. PIAI and PIUAI were calculated as proportions. After data cleaning, regression analyses were performed.

MSMW engaged in more PIAI with a non-primary male partner (t=1.876, p=.061) but less PIUAI than MSM (t=-2.076, p=.038). Self-efficacy for safer sex is a significant predictor of PIUAI for MSMW (b=-0.168, p=0.055, sr2=0.028) as well as MSM (b=-0.173, p=0.001, sr2=0.030).

Replicating past work, MSMW may generally prefer insertive sex. Adding to the developing literature, MSMW differ in that a smaller proportion of their insertive AI is condomless sex, which is less risky. Self-efficacy for safer sex should be incorporated into interventions for both MSM and MSMW. These findings and subsequent interventions should inform the development and implementation of inclusive public health policy that recognizes behavioral differences.

Learning Areas:

Diversity and culture
Public health or related research
Social and behavioral sciences

Learning Objectives:
Differentiate between MSM and MSMW based on differences in risky sexual behavior (e.g., UAI) and identify similarities (e.g., self-efficacy) in predicting risk. Explain how these findings affect the development and implementation of public health policy, including communication campaigns.

Keyword(s): HIV Risk Behavior, Men’s Health

Presenting author's disclosure statement:

Qualified on the content I am responsible for because: I am a Ph.D. candidate in health communication. My scientific interests include HIV/STI prevention interventions and community-based health promotion and education research. I was awarded a university grant to develop an youth-centered HIV/STI prevention intervention for female youths of color.
Any relevant financial relationships? No

I agree to comply with the American Public Health Association Conflict of Interest and Commercial Support Guidelines, and to disclose to the participants any off-label or experimental uses of a commercial product or service discussed in my presentation.

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