TABLE 4.
Intervention and covariates | Estimates of effect on low birth weight | |
---|---|---|
RR (95% CI) | P value | |
Intervention | ||
Selenium | 0.24 (0.05–1.19) | 0.080 |
Placebo | 1.00 (ref) | |
Duration of intervention, weeks | ||
≥14 | 0.60 (0.12–3.10) | 0.542 |
<14 | 1.00 (ref) | |
Compliance to intervention | ||
Good | 0.79 (0.16–4.06) | 0.780 |
Poor | 1.00 (ref) | |
Hemoglobin concentration, g/dl | ||
≥10 | 0.83 (0.19–3.48) | 0.794 |
<10 | 1.00 (ref) | |
CD4+ cells count/mm3 | ||
≥350 | 0.50 (0.12–2.13) | 0.349 |
<350 | 1.00 (ref) | |
Viral load, copies/ml | ||
≥1000 | 1.37 (0.53–5.34) | 0.649 |
<1000 | 1.00 (ref) |
Abbreviations: RR, relative risk.