Table 3. Logistic regression of factors associated with HIV prevalence for MSM (N = 1860).
| Factors | Bivariate | Multivariable | ||||
|---|---|---|---|---|---|---|
| OR | 95%CI | P-value | OR | 95%CI | P-value | |
| Age (years) | 0.39 | |||||
| Age>25 | 1 | Ref. | ||||
| Age18-25 | 1.11 | 0.87–1.41 | ||||
| Site | <0.001 | |||||
| Chiang Mai | 1 | Ref. | 1 | Ref. | ||
| Songkhla | 0.79 | 0.47–1.32 | 0.95 | 0.54–1.67 | 0.86 | |
| Pattaya | 2.46 | 1.68–3.60 | 2.17 | 1.38–3.39 | 0.001 | |
| Bangkok | 1.98 | 1.46–2.68 | 2.10 | 1.48–2.97 | <0.001 | |
| Marital status | 0.01 | |||||
| Single | 1 | Ref. | 1 | Ref. | ||
| Living together with male partner | 1.11 | 0.84–1.46 | 1.20 | 0.87–1.66 | 0.26 | |
| Ever been married to a woman | 0.38 | 0.17–0.83 | 0.37 | 0.15–0.89 | 0.03 | |
| Education | 0.19 | |||||
| Bachelor degree and above | 1 | Ref. | ||||
| Less than Bachelor degree | 1.19 | 0.92–1.55 | ||||
| Main occupation | 0.45 | |||||
| Employed | 1 | Ref. | ||||
| Unemployed | 0.92 | 0.70–1.20 | ||||
| Sex workers (in entertainment venues/restaurants) | 1.13 | 0.83–1.55 | ||||
| Income < 10,000 THBa | 1.11 | 0.86–1.44 | 0.42 | |||
| Never had HIV testing before enrollment | 2.67 | 2.06–3.47 | <0.001 | 2.61 | 1.95–3.51 | <0.001 |
| Any STIb | 3.77 | 2.95–4.82 | <0.001 | 2.91 | 2.20–3.85 | <0.001 |
| Syphilis | 5.26 | 3.82–7.23 | <0.001 | |||
| Neisseria gonorrhea | 3.13 | 2.35–4.18 | <0.001 | |||
| Chlamydia trachomatis | 2.82 | 2.17–3.66 | <0.001 | |||
| Age at first sexual intercourse > 18 years | 0.98 | 0.76–1.26 | 0.88 | |||
| Number of sexual partners in the past 6 months | 0.18 | |||||
| No sexual partner/ Single partner | 1 | Ref. | ||||
| Multiple partners | 0.84 | 0.62–1.14 | ||||
| Didn’t specify | 1.09 | 0.77–1.54 | ||||
| HIV perceived risk in the past 6 months | <0.001 | |||||
| No risk | 1 | Ref. | 1 | Ref. | ||
| Mild | 1.40 | 0.84–2.33 | 1.55 | 0.85–2.83 | 0.16 | |
| Moderate | 2.17 | 1.31–3.59 | 1.89 | 1.03–3.47 | 0.04 | |
| High | 3.11 | 1.84–5.24 | 2.82 | 1.49–5.34 | 0.002 | |
| Condom used in the past 6 months | 0.002 | 0.37 | ||||
| Sex with condom | 1 | Ref. | 1 | Ref. | ||
| Condomless sex | 1.65 | 1.19–2.28 | 1.19 | 0.81–1.74 | ||
| Male circumcision | 0.22 | |||||
| No | 1 | Ref. | ||||
| Yes | 0.77 | 0.51–1.17 | ||||
| Drug used in the past 6 months | 0.92 | 0.73–1.15 | 0.45 | |||
| Amphetamine-type stimulants used | 1.26 | 0.80–2.00 | 0.33 | |||
| Had any symptoms or being diagnosed with any STI in the past 6 months | <0.001 | |||||
| No | 1 | Ref. | 1 | Ref. | ||
| Yes | 1.50 | 0.92–2.43 | 1.06 | 0.60–1.85 | 0.85 | |
| Not sure | 2.21 | 1.71–2.87 | 1.78 | 1.32–2.39 | <0.001 | |
| Had group sex in the past 6 months | 0.08 | 0.96 | ||||
| No | 1 | Ref. | 1 | Ref. | ||
| Yes | 1.38 | 0.97–1.95 | 1.01 | 0.67–1.52 | ||
aTHB = Thai Baht
bSTI = Sexually Transmitted Infection