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Table 3 Multivariable logistic regression analysis of factors associated with regular-alcohol drinking behaviour in the past year among adolescent female sex workers (N = 310)

From: Sexual and reproductive health correlates of polysubstance use among female adolescents who sell sex in the southwest of China

Factors Regular-alcohol drinking
n/N (%) Crude OR
(95% CI)
p-value Adjusted ORa
(95% CI)
p-value
Education level
 Illiterate or primary school only 57/89(83) 1.0   1.0 < 0.001
 Middle school (Grade 7–9) 150/166(90) 5.26(2.58–10.73)   5.33(2.37–12.00) 0.049
 High school or higher (Grade 10–12) 50/55(91) 5.61(1.93–16.34) < 0.001 3.27(1.01–10.59)  
Average monthly income from sex work
 ≤ 360 EUR (low level) 65/95 (68) 1.0   1.0  
 > 360 EUR (Middle level to high level) 190/213 (89) 3.81(2.02–7.19) < 0.001 3.26(1.50–7.10) 0.003
Had any intimate male partner with illicit drug use
 No 199/251(79) 1.0    
 Yes 58/59(98) 15.15(1.96–117.03) < 0.001   
Had sex without a condom while drunk (PM)
 No 167/213(78) 1.0    
 Yes 90/97(93) 3.54(1.51–8.29) 0.002   
Experienced sexual and gender-based violence (PY)
 No 145/192(76) 1.0   1.0  
 Yes 112/118(95) 6.05(2.42–15.11) < 0.001 4.29(1.55–11.85) 0.005
Inconsistent condom use with any male partners (PM)
 No 64/86(74) 1.0    
 Yes 193/224(86) 2.14(1.15–3.99) 0.014   
Unmet need for modern contraception
 No 156/200(78) 1.0    
 Yes 101/110(92) 3.17(1.46–6.86) 0.002   
Received HIV testing (PY)
 Yes 107/140(76) 1.0    
 No 150/169(89) 2.43(1.30–4.55) 0.004   
Prior abortion
 No 133/174 (76) 1.0   1.0  
 Yes 124/136(91) 3.19(1.58–6.43) < 0.001 2.70(1.17–6.22) 0.020
Any self-reported symptom of STIs (PY)
 No 74/105(71) 1.0    
 Yes 183/205(89) 3.49(1.86–6.53) < 0.001   
Illicit drug use
 No 231/283(82) 1.0    
 Yes 26/27(96) 5.85(0.76–44.8) 0.053   
Tobacco use
 Abstainer occasional smoking 122/174(70) 1.0   1.0  
 Regular smoking 135/136(99) 57.54(6.61–500.48) < 0.001 42.11(5.54–320.36) < 0.001
  1. In the final logistic regression model: Pseudo R2 = 0.3866; P < 0.001; Akaike information criterion =187.49
  2. CI confidence interval, OR odds ratio in the bivariate logistic regression model
  3. aAdjusted odds ratio in the final logistic regression model