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Table 1 Characteristics of GBMSM with and without experience of sexualized drug use (SDU) in the past year

From: Uptake and willingness to use PrEP among Chinese gay, bisexual and other men who have sex with men with experience of sexualized drug use 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
 %%%OR (95%CI)AOR (95%CI)
Socio-demographic characteristics
 Age group
  18–3056.657.650.01.0 
  31–4031.630.537.81.43 (0.86, 2.37) 
   > 4011.911.812.21.19 (0.56, 2.50)
 Highest educational level attained
  Senior high or below15.514.323.21.01.0
  College or above84.585.776.80.55 (0.31, 0.98)*0.36 (0.19, 0.69)**
 Current marital status
  Currently single84.084.978.01.0 
  Married/cohabited with a man15.714.719.81.63 (0.91, 2.91)† 
  Married/cohabited with a woman0.30.40.0N.A.
 Monthly personal income (HK$)
   < 10,00013.412.718.31.0 
  10,000-19,99929.128.135.40.87 (0.44, 1.74) 
  20,000-39,99936.737.830.50.56 (0.28, 1.13) 
  40,000 and above19.720.514.60.49 (0.22, 1.12)† 
  Refuse to disclose1.01.01.20.84 (0.09, 7.73)
 Current employment status
  Full-time83.685.174.41.01.0
  Part-time/unemployed/retired/ students16.414.925.61.97 (1.13, 3.43)*1.37 (0.74, 2.56)
 Sexual orientation
  Homosexual90.790.492.71.0 
  Bisexual8.48.67.30.83 (0.34, 2.01) 
  Heterosexual0.91.00.0N.A.
 Channels of recruitment
  Outreach in gay venues14.113.319.51.0 
  Online recruitment57.658.651.20.59 (0.31, 1.12) 
  Peer referral28.328.129.30.71 (0.35, 1.42)
Service utilization
 HIV testing in the last 12 months
  No28.429.919.51.0 
  Yes71.670.180.51.76 (0.99, 3.14)†
 Other HIV prevention services in the last 12 months (e.g., condom distribution, peer education, pamphlet and lectures)
  No44.746.831.71.01.0
  Yes55.353.268.31.89 (1.15, 3.11)*1.77 (1.03, 3.05)*
History of sexual transmitted infections
 History of sexually transmitted infections other than HIV
  No80.582.965.91.01.0
  Yes19.517.134.12.52 (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)
  No14.713.522.01.01.0
  Yes85.386.578.00.55 (0.31, 0.99)*0.90 (0.46, 1.73)
 Had had anal intercourse with non-regular male sex partners (NRP)
  No39.144.09.81.01.0
  Yes60.956.090.27.26 (3.43, 15.38)***7.75 (2.30, 26.09)**
 Condomless anal intercourse (CAI) with men
  No60.563.741.51.01.0
  Yes39.536.358.52.47 (1.54, 3.98)***2.46 (1.44, 4.21)**
 Multiple male sex partnerships
  No30.734.19.81.01.0
  Yes69.365.990.24.79 (2.26, 10.18)***0.84 (0.25, 2.80)
Use of pre-exposure prophylaxis (PrEP)
 Currently on PrEP
  No96.097.885.41.01.0
  Yes4.02.214.67.59 (3.23, 17.86)***4.09 (1.56, 10.73)**
Mental health status
 Depressive symptoms
  No clinical depressive symptoms (CES-D-10 score < 10)64.165.754.91.0 
  Presence of clinical depressive symptoms (CES-D-10 score ≥ 10)35.934.345.11.57 (0.98, 2.52)†
 Anxiety
  No/mild anxiety (GAD-7 score < 15)94.094.491.51.0 
  Severe anxiety (GAD-7 score ≥ 15)6.05.68.51.57 (0.66, 3.72)
  1. OR Crude odds ratios
  2. AOR: multivariate odds ratios obtained by multivariate logistic regression using variables in Table 1 that were found to be statistically significant in the univariate analysis as candidates
  3. 95%CI 95% confidence interval
  4. † 0.05 < P < 0.10, * P < 0.05, ** P < 0.01, *** P < 0.001
  5. N.A. Not applicable; --: not considered in the model