Participant characteristics: crude and respondent-driven sampling-adjusted estimates (n=325)
| Crude estimates | RDS-adjusted estimates | |||
|---|---|---|---|---|
| Characteristic | % | n | % | 95% CI* |
| Age (mean, SD) | 26.2, 0.3 | 24.1, 0.5 | ||
| Education | ||||
| Primary or less | 32.6 | 106 | 32.6 | 25.4–39.7 |
| Some secondary | 53.8 | 175 | 55.1 | 47.6–62.5 |
| Completed secondary or more | 13.5 | 44 | 12.3 | 6.5–18.2 |
| Marital status | ||||
| Ever married/cohabited | 11.2 | 36 | 9.1 | 4.6–13.6 |
| Single/never married | 88.8 | 285 | 90.6 | 86.4–95.4 |
| Number of children | ||||
| 0 | 24.6 | 80 | 29.2 | 21.8–36.7 |
| 1 | 30.8 | 100 | 32.1 | 24.9–39.4 |
| 2+ | 44.6 | 145 | 38.6 | 30.8–46.4 |
| Total income in past month (US$) (mean, SD)† | 157.3, 9.4 | 127.3, 9.4 | ||
| Number of clients in past month (mean, SD) | 13.8, 0.74 | 11.6, 0.5 | ||
| Had non-commercial partner in past month | 88.6 | 288 | 91.3 | 86.6–95.9 |
| Previously tested positive for HIV | 55.0 | 176 | 45.5 | 38.1–53.0 |
| Currently uses non-barrier modern contraception | 46.9 | 150 | 51.1 | 43.3–58.9 |
| Always used condoms in past month | 23.5 | 76 | 22.5 | 14.2–30.7 |
| Condom failure in past 30 days | 55.3 | 177 | 47.5 | 39.3–55.7 |
| Ever pregnant | 82.7 | 267 | 77.8 | 70.2–85.4 |
| Ever had an abortion (n=266) | 13.2 | 35 | 11.7 | 6.3–17.1 |
| Ever had an unwanted pregnancy (n=267) | 50.2 | 134 | 48.7 | 39.6–57.8 |
| Ever used ECP | 32.7 | 106 | 27.5 | 20.9–34.2 |
*Confidence intervals for adjusted estimates of categorical variables were constructed based on a bootstrap procedure with 1000 repetitions.
†Based on the exchange rate on 1 August 2011 (OANDA Corporation, 2012).
CI, confidence interval; ECP, emergency contraceptive pill; RDS, respondent-driven sampling; SD, standard deviation.