Longitudinal assessment of risk taking and sexually transmitted infection prevalence in female sex workers over time
| Variable | Before ART | After ART | p Value |
| Cases | |||
| No. unprotected acts with casual partners/year | 23.05 | 24.72 | 0.57 |
| Condom use with casual clients (scale 1–4) | 3.91 | 3.98 | 0.06 |
| Condom use with regular clients (scale 1–4) | 0.24 | 0.39 | 0.16 |
| Mean number of casual clients per day | 3.93 | 4.12 | 0.13 |
| Mean number of regular clients per day | 0.64 | 0.43 | 0.13 |
| NG/TV period prevalence (%) | 9.7% | 6.5% | 0.53 |
| NG period prevalence (%) | 7.7% | 1.3% | 0.03 |
| Controls | |||
| No. unprotected acts with casual partners/year | 34.08 | 29.49 | 0.62 |
| Condom use with casual clients (scale 1–4) | 3.80 | 3.93 | 0.05 |
| Condom use with regular clients (scale 1–4) | 0.12 | 0.13 | 0.79 |
| Mean number of casual clients per day | 4.11 | 4.43 | 0.43 |
| Mean number of regular clients per day | 0.55 | 0.60 | 0.26 |
| NG/TV period prevalence (%) | 15% | 10% | 0.48 |
| NG period prevalence (%) | 2.6% | 0.9% | 0.32 |
ART, antiretroviral therapy; NG, Neisseria gonorrhoea; TV, Trichomonas vaginalis.