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Table 3 Factors associated with unprotected anal intercourse among MSM who have sex with an HIV negative/unknown serostatus partner within the last 3 months (N = 152)*, IPEC/Fiocruz, 2010-2012** ***

From: Unprotected sex among men who have sex with men living with HIV in Brazil: a cross-sectional study in Rio de Janeiro

Characteristics* ** Adjusted OR (CI 95%) P-value
Lifetime sexual abuse or violence 2.70 (1.08 - 7.01) 0.034
Stimulant use before sex last 3 months 1.48 (0.57 - 3.83) 0.418
Commercial sex last 3 months 2.28 (1.04 - 5.10) 0.040
Anal intercourse last 3 months   
Only insertive 1  
Only receptive 0.21 (0.06 - 0.75) 0.018
Receptive and insertive 0.75 (0.25 - 2.22) 0.603
Receiving cART 0.52 (0.18 - 1.47) 0.218
  1. Le Cessie-van Houwelingen-Copas-Hosmer test (P-value): 0.723; AUC: 0.795.
  2. *Three MSM were excluded from initial multivariate model due to missing data in at least one covariate.
  3. **Age was forced a priori the variable age into the multivariate models; Number of male partners, Stimulant use before sex, and currently receiving cART was a confounder and remained in the final multivariate model.
  4. ***Age (years) and Number of male partners within the last 12 months were modeled as restricted cubic spline with three knots (coefficients not shown).
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