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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