Odds Ratios (95% confidence intervals)
How likely would you be to take PrEP if… Age Education PrEP knowledge Sexual risk
(definitely/very likely/somewhat likely) 1.0 (ref): >36 years [median] 1.0 (ref): HS education or less 1.0 (ref): no prior knowledge 1.0 (ref): ≤5 partners, last 6 months
…it was provided to you free of charge? 0.2 (0.1, 1.0) 0.7 (0.2, 2.6) 0.7 (0.2, 3.2) 3.3 (0.4, 27.7)
…it cost you money out-of-pocket each month? 0.1 (0.0, 1.0) 3.4 (0.4, 31.8) 0.4 (0.1, 2.4) 0.4 (0.0, 3.7)
…it had side effects? 0.3 (0.1, 1.0) 1.2 (0.4, 3.7) 0.5 (0.2, 1.7) 0.7 (0.2, 2.5)
…it had to be taken every day, missing as few pills as possible? 0.6 (0.2, 2.0) 2.6 (0.8, 8.5) 1.4 (0.4, 5.0) 2.1 (0.4,10.9)
…this medication was 50% effective at preventing HIV infection? 0.4 (0.1, 1.2) 0.7 (0.2, 2.1) 0.4 (0.1, 1.2) 0.6 (0.2, 1.7)
…there was an HIV vaccine available that was less effective than this medication treatment? 0.9 (0.3, 2.8) 1.8 (0.6, 6.0) 0.9 (0.3, 3.4) 1.2 (0.3, 5.3)
…there was an HIV vaccine available that was more effective than this medication treatment? 0.7 (0.1, 3.4) 1.4 (0.2, 7.8) 0.5 (0.1, 2.3) 1.3 (0.2, 7.2)
…you were in a monogamous relationship with a partner who was HIV positive? 0.3 (0.0, 3.2) 0.6 (0.1, 6.1) 1.0 (0.1, 10.0) __
…you had casual sexual partners whose HIV status you didn’t know? 3.0 (0.5, 16.7) 0.3 (0.0, 2.5) 0.4 (0.0, 3.5) 0.4 (0.1, 1.9)
…it is possible that taking this medication now may mean they become less effective as a treatment option should you become infected with HIV in the future? 0.7 (0.2, 1.7) 0.8 (0.3, 2.1) 0.7 (0.3, 2.2) 0.5 (0.1, 1.6)
…to use condoms if you were taking PrEP? 1.5 (0.5, 5.0) 0.7 (0.2, 2.5) 1.1 (0.3, 3.9) 0.2 (0.1, 0.8)
…to engage in less cautious sexual behavior, such as use condoms less or have more sexual partners? 1.4 (0.5, 3.7) 1.6 (0.6, 4.5) 0.6 (0.1, 2.7) 1.4 (0.4, 4.7)
p ≤ 0.05 Adjusted for age        
Table 2: Analysis of participant characteristics and the likelihood to take PrEP.
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