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Table 4 Contextual, interpersonal and personality factors associated with UAI with RP in the last six months among MSM (n = 211)

From: Multi-dimensional factors associated with unprotected anal intercourse with regular partners among Chinese men who have sex with men in Hong Kong: a respondent-driven sampling survey

   UAI with RP in the last six months
  n (row%) ORu (95% CI) AOR (95% CI) ORm (95% CI)
Contextual level     
Substances use prior to having anal sex     
No 77 (43.8) 1.00 1.00  
Yes 23 (65.7) 2.46 (1.15-5.26)* 2.36 (1.07-5.18)* 2.28 (1.01-5.16)*
Alcohol use prior to having anal sex     
No 92 (48.7) 1 1 NS
Yes 8 (36.4) 0.60 (0.24-1.50) 0.51 (0.20-1.32)  
Interpersonal level     
Level of intimacy with the RP     
Lower level (<P25 or <10) 13 (46.4) 1 1 NS
Middle level (P25–75 or 10–11) 20 (44.4) 0.92 (0.36-2.38) 0.79 (0.30-2.12)  
Higher level (>P75 or >11) 67 (48.6) 1.09 (0.48-2.46) 0.89 (0.38-2.11)  
Worry that condom use symbolizes mistrust     
No 81 (44.3) 1 1 NS
Yes or not sure 19 (67.9) 2.66 (1.14-6.19)* 2.91 (1.19-7.10)*  
Number item responses reflecting HIV/STI risk level of the RP     
=0 (lower perceived risk level of the RP) 65 (45.1) 1 1 NS
>0 (higher perceived risk level of the RP) 35 (52.2) 1.33 (0.74-2.38) 1.40 (0.76-2.57)  
Number item responses reflecting PR’s acceptance of condom use     
=3 (higher perceived degree of the RP’s acceptance of condom use) 33 (38.3) 1 1  
<3 (lower perceived degree of the RP’s acceptance of condom use) 67 (91.7) 17.7 (5.23-60.09)** 22.70 (6.20-83.10)** 17.22 (5.06-58.62)**
Personality level     
I7 Impulsiveness Scale     
Lower level (<P25 or <4) 14 (35.0) 1 1 NS
Middle level (P25–75 or 4–6) 53 (45.3) 1.54 (0.73-3.24) 1.84 (0.85-4.01)  
Higher level (>P75 or >6) 33 (61.1) 2.92 (1.25-6.82)* 4.02 (1.62-9.97)**  
  1. AOR: adjusted OR, odds ratios adjusting for all socio-demographic variables; ORm: odds ratio obtained from forward stepwise multivariate logistic regression using significant variables of the univariate analysis as input; NS: not statistically significant in the multivariate analysis; *p < 0.05, **p < 0.01.
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