Comparison of crack users and non-crack users
| Ever used crack | |||
|---|---|---|---|
| Yes (%) (n=48) | No (%) (n=95) | Univariate analysis p value; odds ratio (95% confidence interval) | |
| *Number of women reporting condom use with all clients for that type of sex in the previous month. | |||
| †Sexually transmitted infection included one or more of: gonorrhoea, chlamydia, genital herpes, trichomoniasis, genital warts, syphilis. | |||
| §Serological evidence of HCV infection. | |||
| ¶Serological evidence of past hepatitis B infection. | |||
| Time in sex work: median years (range) | 4 (1–13) | 2 (0–21) | <0.05 (Mann–Whitney U) |
| Age: median years (range) | 28 (19–42) | 27 (17–44) | |
| Injecting drug use (ever) | 8/42 (19) | 2/76 (3) | <0.01; OR 8.71 (1.8, 43.2) |
| Sex with injecting drug user | 10/41 (24) | 6/86 (7) | <0.01; OR 4.3 (1.4, 12.8) |
| Condom use (clients)* | |||
| Vaginal sex | 36/39 (92) | 76/76(100) | |
| Oral sex | 23/32 (72) | 57/73 (78) | |
| Past sexually transmitted infection† | 30/46 (65) | 40/90 (44) | <0.05; OR 2.3 (1.1, 4.9) |
| Past termination of pregnancy | 19/30 (63) | 18/62 (29) | <0.01; OR 4.0 (1.6, 10.1) |
| Hepatitis C§ | 5/32 (16) | 0/58 | <0.01; OR 3.23 (2.4, 4.4) |
| Hepatitis B¶ | 2/28 (7) | 1/58 (2) | |