Table 4. Univariate and multivariate analysis of risk factors to HIV infection among identified MSM inducted into the RTA in November 2010 and May 2011.
| Characteristics | Total | HIV+ (%) | Crude OR (95% CI) | Adjusted OR (95% CI) |
|---|---|---|---|---|
| Age (years) | ||||
| Mean (SD) | 21.4 (±1.0) | 21.4 (±1.0) | 1.2 (1.0–1.4) | 1.0 (0.8–1.2) |
| Living with familya | ||||
| No | 249 | 15 (6.0) | 2.5 (1.4–4.4) | - |
| Yes | 4,236 | 105 (2.5) | 1.0 | - |
| Region of residence 2 years before induction | ||||
| Central | 776 | 11 (1.4) | 1.0 | 1.0 |
| Upper North | 334 | 16 (4.8) | 3.5 (1.6–7.6) | 2.3 (0.9–5.6) |
| East | 257 | 7 (2.7) | 2.0 (0.8–5.1) | 1.6 (0.5–4.9) |
| West | 196 | 7 (3.6) | 2.6 (1.0–6.7) | 3.5 (1.2–10.4) |
| Bangkok | 492 | 23 (4.7) | 3.4 (1.7–7.0) | 2.0 (0.8–4.8) |
| Others | 2,376 | 56 (2.4) | 1.7 (0.9–3.2) | 1.5 (0.7–3.2) |
| Area of residence | ||||
| Urban | 2,707 | 76 (2.8) | 1.2 (0.8–1.7) | 1.1 (0.7–1.7) |
| Rural | 1,771 | 43 (2.4) | 1.0 | 1.0 |
| Occupation | ||||
| Laborer/Agriculture | 640 | 6 (0.9) | 1.0 | - |
| Student | 524 | 32 (6.1) | 6.9 (2.9–16.6) | - |
| Others | 3,402 | 83 (2.4) | 2.6 (1.2–6.1) | - |
| Marital status | ||||
| Single | 3,237 | 106 (3.3) | 3.7 (2.0–6.9) | - |
| Married | 1,209 | 11 (0.9) | 1.0 | - |
| Educational attainment | ||||
| No Formal to Grade 9 | 3,016 | 53 (1.8) | 1.0 | 1.0 |
| Grade 10–12 and Vocational | 1,340 | 44 (3.3) | 1.9 (1.3–2.9) | 1.7 (1.0–2.6) |
| Bachelor’s degree | 210 | 23 (11.0) | 6.9 (4.1–11.5) | 2.7 (1.2–5.7) |
| History of non-injecting drug use | ||||
| Yes | 2,980 | 52 (1.7) | 0.4 (0.3–0.6) | - |
| No | 1,609 | 69 (4.3) | 1.0 | - |
| History of sex with a female sex worker | ||||
| Yes | 2,558 | 28 (1.1) | 0.2 (0.1–0.3) | 0.3 (0.2–0.5) |
| No | 1,928 | 93 (4.8) | 1.0 | 1.0 |
| Sexual experience | ||||
| Bisexual | 2,781 | 33 (1.2) | 1.0 | - |
| Exclusive homosexual | 1,818 | 88 (4.8) | 4.3 (2.9–6.4) | - |
| Sexual preference/desire | ||||
| Female only | 3,735 | 27 (0.7) | 1.0 | - |
| Male only | 288 | 55 (19.1) | 32.4 (20.1–52.4) | - |
| Both male and female | 504 | 39 (1.7) | 11.5 (7.0–19.0) | - |
| History of anal sex with another man | ||||
| Yes | 3,727 | 113 (3.0) | 5.2 (1.3–21.1) | - |
| No | 334 | 2 (0.6) | 1.0 | - |
| Type of anal sex with another man | ||||
| Insertive only | 2.371 | 31 (1.3) | 1.0 | 1.0 |
| Both Insertive and Receptive | 875 | 61 (7.0) | 5.7 (3.7–8.8) | 4.7 (2.9–7.5) |
| Receptive only | 148 | 10 (6.8) | 5.5 (2.6–11.4) | 3.6 (1.6–7.7) |
| History of sexually transmitted infection | ||||
| Yes | 633 | 24 (3.8) | 1.6 (1.0–2.5) | - |
| No | 3,735 | 92 (2.5) | 1.0 | - |
| History of sex in exchange of gifts/money | ||||
| Yes | 1,421 | 55 (3.9) | 1.9 (1.3–2.7) | 2.3 (1.5–3.5) |
| No | 3,065 | 65 (2.1) | 1.0 | 1.0 |
| History of sexual coercion | ||||
| Yes | 710 | 25 (3.5) | 1.4 (1.0–2.2) | - |
| No | 3,812 | 95 (2.5) | 1.0 | - |
aLiving with family; parents, wife/lover and relatives.