OR (95% CI) | P | ||
---|---|---|---|
Frequency of drug injection in last month | Never | 1.0 (Ref) | |
Sometimes | 8.47 (1.27, 56.35) | 0.03 | |
Weekly | 46.32 (8.19, 261.95) | <0.001 | |
Number of individuals involved in group sex | 0 | 1.0 (Ref) | |
2~4 | 6.54 (1.38, 31.01) | 0.02 | |
> 4 | 0.36 (0.041, 3.23) | 0.36 |