Table 1.
Baseline characteristics of study sample, by intervention arm
| Tablets | LNS | ||||
|---|---|---|---|---|---|
| FeFol | MMN | PE | PE + MMN | ||
| N = 146 | N = 164 | N = 151 | N = 159 | ||
| Gestational age (weeks) | Mean (SD) | 13.9 (3.4) | 13.9 (3.4) | 13.8 (3.3) | 13.4 (3.2) |
| Bi‐parietal diameter (mm) (N = 194 missing) | Mean (SD) | 29.6 (9.5) | 29.8 (9.8) | 30.2 (9.6) | 28.5 (8.9) |
| Crown‐rump length (mm) (N = 426 missing) | Mean (SD) | 29.1 (8.9) | 31.2 (9.3) | 34.8 (11.3) | 30.1 (9.3) |
| Season of measurement | |||||
| Nov–May (dry) | N (%) | 78 (53.4) | 86 (52.4) | 82 (54.3) | 75 (47.2) |
| Jun–Oct (rainy) | N (%) | 68 (46.6) | 78 (47.6) | 69 (45.7) | 84 (52.8) |
| Maternal age (years) (N = 1 missing) | Median (IQR) | 30.0 (25.1, 35.0) | 29.8 (24.1, 33.7) | 29.8 (24.0, 33.4) | 29.5 (24.3, 34.2) |
| Maternal weight (kg) (N = 1 missing) | Mean (SD) | 54.5 (7.7) | 55.0 (9.7) | 55.6 (8.7) | 55.5 (9.8) |
| Maternal height (cm) (N = 2 missing) | Mean (SD) | 161.9 (6.0) | 162.2 (5.6) | 162.1 (5.8) | 161.9 (5.8) |
| Maternal BMI (kg/m2) (N = 3 missing) | Median (IQR) | 20.6 (18.8, 22.4) | 20.3 (18.7, 22.2) | 20.5 (19.0, 22.5) | 20.6 (19.2, 22.2) |
| Parity (N = 10 missing) | |||||
| 0 | N (%) | 14 (9.7) | 18 (11.2) | 14 (9.4) | 12 (7.7) |
| 1–3 | N (%) | 39 (26.9) | 56 (34.8) | 54 (36.2) | 52 (33.6) |
| 4–12 | N (%) | 92 (63.5) | 87 (54.0) | 81 (54.4) | 91 (58.7) |
BMI = body mass index; FeFol = iron and folic acid; IQR = inter‐quartile range; LNS = lipid‐based nutritional supplement; MMN = multiple‐micronutrient; PE = protein‐energy; SD = standard deviation.