Table 1 Characteristics of GBMSM with and without experience of sexualized drug use (SDU) in the past year
|  | All (n = 580) | Without experience of SDU in the past year (n = 498) | With experience of SDU in the past year (n = 82) | With vs. without experience of SDU in the past year | |
|---|---|---|---|---|---|
| Â | % | % | % | OR (95%CI) | AOR (95%CI) |
Socio-demographic characteristics | |||||
 Age group | |||||
  18–30 | 56.6 | 57.6 | 50.0 | 1.0 |  |
  31–40 | 31.6 | 30.5 | 37.8 | 1.43 (0.86, 2.37) |  |
   > 40 | 11.9 | 11.8 | 12.2 | 1.19 (0.56, 2.50) | – |
 Highest educational level attained | |||||
  Senior high or below | 15.5 | 14.3 | 23.2 | 1.0 | 1.0 |
  College or above | 84.5 | 85.7 | 76.8 | 0.55 (0.31, 0.98)* | 0.36 (0.19, 0.69)** |
 Current marital status | |||||
  Currently single | 84.0 | 84.9 | 78.0 | 1.0 |  |
  Married/cohabited with a man | 15.7 | 14.7 | 19.8 | 1.63 (0.91, 2.91)†|  |
  Married/cohabited with a woman | 0.3 | 0.4 | 0.0 | N.A. | – |
 Monthly personal income (HK$) | |||||
   < 10,000 | 13.4 | 12.7 | 18.3 | 1.0 |  |
  10,000-19,999 | 29.1 | 28.1 | 35.4 | 0.87 (0.44, 1.74) |  |
  20,000-39,999 | 36.7 | 37.8 | 30.5 | 0.56 (0.28, 1.13) |  |
  40,000 and above | 19.7 | 20.5 | 14.6 | 0.49 (0.22, 1.12)†|  |
  Refuse to disclose | 1.0 | 1.0 | 1.2 | 0.84 (0.09, 7.73) | – |
 Current employment status | |||||
  Full-time | 83.6 | 85.1 | 74.4 | 1.0 | 1.0 |
  Part-time/unemployed/retired/ students | 16.4 | 14.9 | 25.6 | 1.97 (1.13, 3.43)* | 1.37 (0.74, 2.56) |
 Sexual orientation | |||||
  Homosexual | 90.7 | 90.4 | 92.7 | 1.0 |  |
  Bisexual | 8.4 | 8.6 | 7.3 | 0.83 (0.34, 2.01) |  |
  Heterosexual | 0.9 | 1.0 | 0.0 | N.A. | – |
 Channels of recruitment | |||||
  Outreach in gay venues | 14.1 | 13.3 | 19.5 | 1.0 |  |
  Online recruitment | 57.6 | 58.6 | 51.2 | 0.59 (0.31, 1.12) |  |
  Peer referral | 28.3 | 28.1 | 29.3 | 0.71 (0.35, 1.42) | – |
Service utilization | |||||
 HIV testing in the last 12 months | |||||
  No | 28.4 | 29.9 | 19.5 | 1.0 |  |
  Yes | 71.6 | 70.1 | 80.5 | 1.76 (0.99, 3.14)†| – |
 Other HIV prevention services in the last 12 months (e.g., condom distribution, peer education, pamphlet and lectures) | |||||
  No | 44.7 | 46.8 | 31.7 | 1.0 | 1.0 |
  Yes | 55.3 | 53.2 | 68.3 | 1.89 (1.15, 3.11)* | 1.77 (1.03, 3.05)* |
History of sexual transmitted infections | |||||
 History of sexually transmitted infections other than HIV | |||||
  No | 80.5 | 82.9 | 65.9 | 1.0 | 1.0 |
  Yes | 19.5 | 17.1 | 34.1 | 2.52 (1.51, 4.21)*** | 1.72 (0.97, 3.07)†|
Sexual behaviors in the last 12 months | |||||
 Had had anal intercourse with regular male sex partners (RP) | |||||
  No | 14.7 | 13.5 | 22.0 | 1.0 | 1.0 |
  Yes | 85.3 | 86.5 | 78.0 | 0.55 (0.31, 0.99)* | 0.90 (0.46, 1.73) |
 Had had anal intercourse with non-regular male sex partners (NRP) | |||||
  No | 39.1 | 44.0 | 9.8 | 1.0 | 1.0 |
  Yes | 60.9 | 56.0 | 90.2 | 7.26 (3.43, 15.38)*** | 7.75 (2.30, 26.09)** |
 Condomless anal intercourse (CAI) with men | |||||
  No | 60.5 | 63.7 | 41.5 | 1.0 | 1.0 |
  Yes | 39.5 | 36.3 | 58.5 | 2.47 (1.54, 3.98)*** | 2.46 (1.44, 4.21)** |
 Multiple male sex partnerships | |||||
  No | 30.7 | 34.1 | 9.8 | 1.0 | 1.0 |
  Yes | 69.3 | 65.9 | 90.2 | 4.79 (2.26, 10.18)*** | 0.84 (0.25, 2.80) |
Use of pre-exposure prophylaxis (PrEP) | |||||
 Currently on PrEP | |||||
  No | 96.0 | 97.8 | 85.4 | 1.0 | 1.0 |
  Yes | 4.0 | 2.2 | 14.6 | 7.59 (3.23, 17.86)*** | 4.09 (1.56, 10.73)** |
Mental health status | |||||
 Depressive symptoms | |||||
  No clinical depressive symptoms (CES-D-10 score < 10) | 64.1 | 65.7 | 54.9 | 1.0 |  |
  Presence of clinical depressive symptoms (CES-D-10 score ≥ 10) | 35.9 | 34.3 | 45.1 | 1.57 (0.98, 2.52)†| – |
 Anxiety | |||||
  No/mild anxiety (GAD-7 score < 15) | 94.0 | 94.4 | 91.5 | 1.0 |  |
  Severe anxiety (GAD-7 score ≥ 15) | 6.0 | 5.6 | 8.5 | 1.57 (0.66, 3.72) | – |