Table 1.
Characteristics of the HIV-infected pregnant women and their infants
| N (%) | |
|---|---|
| Median age (range) | 25.6 years (14–44) |
| Parity at enrolment (n = 3324) | |
| 0 | 2026 (61) |
| 1 | 966 (29) |
| ≥2 | 332 (10) |
| History of pregnancy termination (n = 3325) | |
| 0 | 1948 (59) |
| 1 | 715 (21) |
| ≥2 | 662 (20) |
| Age at leaving full-time education | |
| Median (IQR) | 17 years (16–19) |
| Marital status (n = 3328) | |
| Married | 1372 (41) |
| Cohabiting | 1324 (40) |
| Single, divorced, widowed | 632 (19) |
| Mode of acquisition of HIV (n = 3356) | |
| Injecting drug use | 689 (21) |
| Injecting drug using partner | 735 (22) |
| Other heterosexual contact | 375 (11) |
| Other risk | 9 |
| No specific risk factor reported | 1548 (47) |
| Timing of mother's first positive HIV test (n = 3356) | |
| Before pregnancy | 893 (27) |
| First/second trimester | 1517 (45) |
| Third trimester | 631 (19) |
| In pregnancy (date not specified) | 81 (2) |
| Delivery | 234 (7) |
| Maternal HIV clinical stage (n = 2956) | |
| Asymptomatic/mild symptoms | 2838 (96) |
| Moderate/severe symptoms | 118 (4) |
| Gestational age (n = 3354) | |
| <37 weeks | 298 (9) |
| ≥37 weeks | 3056 (91) |
| Birth weight (n = 3354) | |
| Median (range) | 3100 g (850–5000 g) |
| Neonatal prophylaxis (n = 3356) | |
| None | 484 (14) |
| sdNVP only | 773 (23) |
| ZDV | 1907 (57) |
| sdNVP and ZDV | 121 (4) |
| Type not recorded | 71 (2) |