Awareness of and Preferences for Preexposure Prophylaxis (PrEP) among MSM at High Risk of HIV Infection in Southern China: Findings from the T2T Study
Table 4
Association between variables and willingness to use PrEP ().
Variables
Response categories
Crude OR (95% CI)
Willingness to use PrEP
Willingness to use oral PrEP
Willingness to use LAI-PrEP
Age (years)
18-24
1.0
1.0
1.0
25-30
0.92 (0.60, 1.40)
0.90 (0.59, 1.36)
0.76 (0.50, 1.14)
>30
0.86 (0.56, 1.31)
0.75 (0.50, 1.14)
0.74 (0.49, 1.13)
Education
Middle school or below
1.0
1.0
1.0
University or above
1.36 (0.94, 1.97)
1.36 (0.95, 1.96)
1.01 (0.70, 1.46)
Monthly income (CNY)
<2,000
1.0
1.0
1.0
2,000-4,999
1.10 (0.60, 2.02)
1.15 (0.63, 2.10)
0.77 (0.42, 1.42)
5,000-9,999
1.29 (0.72, 2.33)
1.42 (0.80, 2.52)
0.86 (0.48, 1.54)
>9,999
1.30 (0.67, 2.56)
1.28 (0.66, 2.46)
1.04 (0.54, 2.01)
History of STDs
No
1.0
1.0
1.0
Yes
0.97 (0.52, 1.83)
0.85 (0.46, 1.58)
1.38 (0.75, 2.53)
Alcohol consumption
No
1.0
1.0
1.0
Yes
1.21 (0.83, 1.78)
1.17 (0.80, 1.70)
1.47 (0.99, 2.16)†
Drug use
No
1.0
1.0
1.0
Yes
1.31 (0.87, 1.98)
1.36 (0.90, 2.03)
0.95 (0.64, 1.41)
Self-reported HIV status of current sex partnersa
Uncertain
1.0
1.0
1.0
HIV negative
0.98 (0.63, 1.54)
0.96 (0.62, 1.49)
0.79 (0.51, 1.23)
HIV positive
1.03 (0.41, 2.60)
0.65 (0.27, 1.56)
1.38 (0.57, 3.32)
Number of regular sexual partners in the past 6 months
0
1.0
1.0
1.0
1-2
1.04 (0.71, 1.52)
1.10 (0.76, 1.60)
0.89 (0.61, 1.30)
≥3
1.16 (0.68, 1.99)
1.18 (0.70, 1.99)
1.11 (0.67, 1.85)
Number of casual sexual partners in the past 6 months
0
1.0
1.0
1.0
1-2
1.15 (0.62, 2.13)
1.07 (0.58, 1.98)
0.71 (0.39, 1.30)
≥3
1.42 (0.76, 2.64)
1.28 (0.69, 2.37)
0.78 (0.42, 1.43)
Condom used during last anal sex
No
1.0
1.0
1.0
Yes
1.17 (0.79, 1.75)
1.07 (0.72, 1.59)
1.19 (0.80, 1.78)
Sex with women
No
1.0
1.0
1.0
Yes
0.97 (0.67, 1.41)
1.00 (0.70, 1.44)
1.21 (0.84, 1.73)
Ever used gay dating app in the past 6 months
No
1.0
1.0
1.0
Yes
1.50 (1.05, 2.16)
1.41 (0.99, 2.01)†
1.07 (0.75, 1.53)
HIV testing in the past 12 months
0
1.0
1.0
1.0
1-2 times
1.12 (0.73, 1.73)
1.05 (0.68, 1.61)
1.01 (0.66, 1.55)
3 times or more
1.43 (0.85, 2.40)
1.12 (0.68, 1.85)
1.35 (0.82, 2.22)
STD testing in the past 12 months
0
1.0
1.0
1.0
1-2 times
1.19 (0.81, 1.75)
1.12 (0.77, 1.63)
1.33 (0.92, 1.93)
3 times or more
1.45 (0.79, 2.66)
1.30 (0.73, 2.33)
1.20 (0.68, 2.11)
Circumcision
No
1.0
1.0
1.0
Yes
1.03 (0.64, 1.65)
0.94 (0.59, 1.48)
1.21 (0.77, 1.91)
Ever participated in HIV- or STD-related studies
No
1.0
1.0
1.0
Yes
1.96 (1.29, 2.97)
1.65 (1.11, 2.45)
1.51 (1.04, 2.19)
Heard of PrEP
No
1.0
1.0
1.0
Yes
3.07 (2.09, 4.51)
2.84 (1.96, 4.11)
2.03 (1.43, 2.88)
CI: confidence interval; CNY: Chinese Yuan, CNY 2,000 equal to USD 302 and CNY 1,512 equal to USD 1,512; STDs: sexually transmitted diseases; CDC: Centers for Disease Control; PrEP: preexposure prophylaxis. aThe last sex partners who are in a regular or causal relationship with participants; 8 MSM refused to disclose their partners’ HIV status leading to missing values. †,, and .