Table 1.
Description of maternal characteristics (N=3431)
| Maternal characteristic | Summary statistic |
|---|---|
| Age at conception in years, median (IQR) | 24.0 (20.0-29.0) |
| Prior pregnancy history, n (% N) | |
| No prior pregnancies | 1280 (37.3) |
| Prior pregnancies, no history of pregnancy loss | 2061 (60.1) |
| Prior pregnancies, history of pregnancy loss | 90 (2.6) |
| Socioeconomic index, median (IQR) | 2.7 (2.3-3.0) |
| Nearest clinic <5.0 km away, n (% of N) | |
| No | 428 (12.5) |
| Yes | 3003 (87.5) |
| History of tuberculosis infection, n (% of N) | |
| No | 3282 (95.7) |
| Yes | 149 (4.3) |
| Antiretroviral therapy at time of VL measurement, n (% of N) | |
| No | 1104 (32.2) |
| Yes | 2327 (67.8) |
| CD4 count <500 cells/mm3, n (% of N) | |
| No | 895 (26.1) |
| Yes | 2536 (73.9) |
| Timing of VL in relation to conception, n (% of N) | |
| Pre-conception | 1980 (57.7) |
| Post-conception | 1451 (42.3) |
| Months between VL measurement and pregnancy outcome, median (IQR) | 11.7 (5.0-25.4) |
| High VL, n (% of N) | |
| No | 2741 (79.9) |
| Yes | 690 (20.1) |
VL: Viral load, IQR: Interquartile range.