Table 1.
Selected characteristics of mother–infant pairs included and not included in the analysisa.
| Characteristic | Mother–infant pairs included (n = 278) |
Mother–infant pairs not included (n = 152) |
|---|---|---|
| Median age (range) | 25 (17–43) | 25 (18–40) |
| Median parity (range) | 2 (0–7) | 2 (0–7) |
| Used alcohol during pregnancy, % | 30 | 32 |
| Mean HIV knowledge scoreb (SD) | 8.5 (1.2) | 8.6 (1.1) |
| Mean body mass index, kg/m2 (SD) | 24.9 (3.4) | 25.1 (3.2) |
| Mean CD4 cells × 103/l | 372 | 376 |
| Mean log viral load | 4.3 | 4.2 |
| Infant birthweight, g (SD) | 3059 (380) | 2963 (448) |
a
P > 0.05 for all comparisons.
b
Sum of correct answers to 10 true/false questions about HIV and its transmission.