Table 1.
Subject characteristics at early pregnancy assessment among seroconverters and controls in pregnant women from rural Bangladesh (2007–2010)
| Characteristic | Controls (N = 40) | Seroconverters (N = 40) | P value* |
|---|---|---|---|
| Mean (SD) | Mean (SD) | ||
| N | 40 | 40 | |
| Age (years)† | 22.1 (4.6) | 22.1 (4.7) | 1.00 |
| Parity† | 0.9 (0.9) | 0.9 (0.9) | 1.00 |
| Gestational age at enrollment (weeks) | 11.5 (5.1) | 10.1 (3.3) | 0.23 |
| Weight (kg) | 43.97 (6.45) | 42.96 (8.21) | 0.52 |
| Height (cm) | 148.67 (4.92) | 148.86 (4.78) | 0.94 |
| BMI (kg/m2) | 19.85 (2.49) | 19.34 (3.39) | 0.17 |
| MUAC (cm) | 24.30 (3.44) | 23.38 (3.02) | 0.21 |
| (%) | (%) | ||
| BMI ≤ 18.5 | 25.0 | 42.5 | 0.098 |
| MUAC ≤ 22 | 22.5 | 35.0 | 0.22 |
| Season‡ | |||
| Summer | 27.5 | 25.0 | 0.80 |
| Rainy | 47.5 | 55.0 | 0.50 |
| Winter | 25.0 | 20.0 | 0.59 |
BMI = body mass index; MUAC = mid-upper arm circumference; SD = standard deviation.
*
Wilcoxon rank-sum test for continuous variables, proportion test for categorical and binary variables.
†
Participants were matched on age, parity, and sector (nutritional intervention).
‡
Summer consists of January–May, rainy of June–August, and Winter of September–December.