Variable | Category | Unadjusted Odds Ratio (95% CI) | p value | Adjusted Odds Ratio (95% CI) | p value |
---|---|---|---|---|---|
Sociodemographic characteristics | |||||
 Type of institution | Public | 1 |  |  | Ref |
Private | 3.5 (1.4–9.0) | 0.008 | 6.0 (1.2–30.0) | 0.027* | |
 Residence | College/rented hostel | 1 |  |  | Ref |
With family | 2.9 (1.1–7.4) | 0.031 | 3.0 (0.7–13.2) | 0.572 | |
Sexual behavior characteristics | |||||
 Age at first anal sex with a man |  ≤ 18 years | 1 |  |  | Ref |
 > 18 years | 0.7 (0.3–1.8) | 0.457 | 0.6 (0.2–2.4) | 0.516 | |
 Preferred age of sex partner | Same/younger age | 1 |  |  | Ref |
Any age | 4.8 (1.6–13.8) | 0.004 | 5.2 (1.1–25.2) | 0.041* | |
Older | 5.7 (1.5–20.7) | 0.009 | 1.1 (0.1–9.2) | 0.948 | |
 Age of last sexual partner | 15–24 | 1 |  |  | Ref |
 ≥ 25 | 5.6 (2.1–14.8) |  < 0.001 | 6.4 (1.2–34.6) | 0.030* | |
 Sexual role at first anal sex with a man | Versatile | 1 |  |  | Ref |
Insertive | 1.4 (0.4–5.7) | 0.588 | 4.9 (0.7–32.7) | 0.097 | |
Receptive | 2.1 (0.5–8.2) | 0.280 | 2.0 (0.3–12.7) | 0.476 | |
 Preferred sexual role | Insertive | 1 |  |  |  |
Versatile | 1.2 (0.4–3.6) | 0.763 | 0.5 (0.1–2.4) | 0.380 | |
Receptive | 1.9 (0.6–5.8) | 0.259 | 1.6 (0.3–8.6) | 0.572 | |
 Nature of first anal sex with a man | Coerced/forced | 1 |  |  | Ref |
Consensual | 4.1 (0.5–31.3) | 0.177 | 0.1 (0.1–1.5) | 0.090 | |
 Number of men had anal sex with in last 12 months | One | 1 |  |  | Ref |
More than one | 8.4 (1.1–64.4) | 0.040 | 8.3 (0.7–94.6) | 0.088 | |
 Participated in group sex within last 12 months | No | 1 |  |  | Ref |
Yes | 1.3 (0.4–4.2) | 0.629 | 0.9 (0.2–4.3) | 0.877 | |
 Where last sex partner was met | Offline | 1 |  |  | Ref |
Online | 4.2 (1.6–11.0) | 0.004 | 4.2 (1.1–17.0) | 0.043* | |
 Used condom with last sex partner | No | 1 |  |  | Ref |
Yes | 1.2 (0.5–3.4) | 0.673 | 4.3 (0.9–20.3) | 0.065 | |
 Received money from last sex partner | Yes | 1 |  |  | Ref |
No | 1.1 (0.3–3.4) | 0.894 | 3.5 (0.7–18.7) | 0.139 | |
 Taken alcohol/other drug during last sexual encounter | No | 1 |  |  | Ref |
Yes | 1.5 (0.6–3.7) | 0.390 | 2.3 (0.6–8.7) | 0.214 | |
Sexually transmitted infections test results | |||||
 Mycoplasma genitalium test | Negative | 1 |  |  | Ref |
Positive | 3.3 (1.1–10.2) |  < 0.001 | 2.1 (0.5–9.1) | 0.293 | |
 Neisseria gonorrhea test | Negative | 1 |  |  |  |
Positive | 4.6 (1.7–12.3) |  < 0.001 | 7.8 (2.0–29.9) | 0.003* |