TABLE 2.
Serum retinol concentrations among pregnant women, children, and all study participants1
| Pregnant women (n = 164) | Children (n = 162) | Total (n = 326) | |
|---|---|---|---|
| Retinol, ng/mL | |||
| <200 | 14 (8.5) | 21 (13.0) | 35 (10.7) |
| 200 to <300 | 32 (19.5) | 52 (32.1) | 84 (25.8) |
| ≥300 | 118 (72.0) | 89 (54.9) | 207 (63.5) |
Data are present as frequency (%) for categorical variables. Serum retinol < 200 ng/mL, severe vitamin A deficiency; 200 to <300 ng/mL, marginal vitamin A deficiency; ≥300 ng/mL, normal (that is, healthy with no vitamin A deficiency).