Table 1 Characteristics of the HIV-infected pregnant women and their infants
| Â | N (%) |
|---|---|
Median age (range) | 25.6 years (14–44) |
Parity at enrolment (n = 3324) | Â |
0 | 2026 (61) |
1 | 966 (29) |
≥2 | 332 (10) |
History of pregnancy termination (n = 3325) | Â |
0 | 1948 (59) |
1 | 715 (21) |
≥2 | 662 (20) |
Age at leaving full-time education | Â |
Median (IQR) | 17 years (16–19) |
Marital status (n = 3328) | Â |
Married | 1372 (41) |
Cohabiting | 1324 (40) |
Single, divorced, widowed | 632 (19) |
Mode of acquisition of HIV (n = 3356) | Â |
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) | Â |
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) | Â |
Asymptomatic/mild symptoms | 2838 (96) |
Moderate/severe symptoms | 118 (4) |
Gestational age (n = 3354) | Â |
<37 weeks | 298 (9) |
≥37 weeks | 3056 (91) |
Birth weight (n = 3354) | Â |
Median (range) | 3100 g (850–5000 g) |
Neonatal prophylaxis (n = 3356) | Â |
None | 484 (14) |
sdNVP only | 773 (23) |
ZDV | 1907 (57) |
sdNVP and ZDV | 121 (4) |
Type not recorded | 71 (2) |