Selected demographic and behavioural characteristics of antenatal clinic attenders screened in Nairobi, 1992–1999 (surveys 1 to 6), n=5459
| Characteristic | n or mean | Per cent or range |
|---|---|---|
| Age (years) | 23.2 | 13–48 |
| Age category | ||
| <20 | 1153 | 21.1 |
| 20–24 | 2435 | 44.6 |
| 25–29 | 1323 | 24.2 |
| 30–34 | 414 | 7.6 |
| ≥35 | 132 | 2.4 |
| Province of origin4 | ||
| Central/eastern group | 2236 | 41.0 |
| Western group | 1181 | 21.7 |
| Nyanza | 2035 | 37.3 |
| Marital status | ||
| Married | 4610 | 84.5 |
| Never married | 734 | 13.5 |
| Separated/divorced | 97 | 1.8 |
| Widowed | 16 | 0.3 |
| Reported sex partners, lifetime | ||
| 0 | 0 | 0 |
| 1 | 1391 | 25.5 |
| 2–5 | 3882 | 71.1 |
| ≥6 | 179 | 3.3 |
| Reported sex partners, previous three months | ||
| 0 | 267 | 4.9 |
| 1 | 4983 | 91.3 |
| 2–5 | 173 | 3.2 |
| ≥6 | 22 | 0.4 |
| Exchange of sex for money or gifts | ||
| Ever | 337 | 6.2 |
| Previous three months | 179 | 3.3 |