|
| Variable | Boys | Girls |
| Mean (SD) | Mean (SD) |
|
| No. of subjects [ (%)] | 73 (51.8) | 68 (48.2) |
| Infant characteristics | | |
| Firstborn [ (%)] | 20 (30.3) | 24 (35.8) |
| Birth weight (g) | 3807 (360) | 3750 (369) |
| Birth length (cm) | 52.2 (1.52) | 51.7 (1.77) |
| Birth head circumference (cm) | 36.2 (1.22) | 35.4 (1.14)* |
| Weight at 6 mo (kg) | 8.4 (0.7) | 7.9 (0.75)* |
| Length at 6 mo (cm) | 70.1 (1.7) | 67.9 (1.7)* |
| Weight at 12 mo (kg) | 10.37 (1.0) | 9.76 (0.99)* |
| Length at 12 mo (cm) | 78.0 (2.25) | 76.17 (2.60)* |
| Hb at 12 mo (g/L) | 120.96 (8.19) | 120.28 (8.28) |
| MCV at 12 mo (fl) | 76.71 (3.41) | 77.69 (3.09) |
| log SF at 12 mo (μg/L) | 3.31 (0.63) | 3.57 (0.46)* |
| Parental and socioeconomic characteristics | | |
| Mother's BMI (kg/m2) | 24.3 (6.09) | 24.6 (5.38) |
| Father's BMI (kg/m2) | 26.4 (4.14) | 25.1 (5.60) |
| Mother's age (years) | 32.0 (5.25) | 30.3 (4.58) |
| Father's age (years) | 34.1 (6.13) | 33.4 (5.22) |
| Mother’s ≥12 y of schooling [ (%)] | 56 (82.4) | 57 (86.4) |
| Father’s ≥12 y of schooling [ (%)] | 51 (77.3) | 51 (78.5) |
| Smoker in the household [ (%)] | 14 (21.5) | 13 (20) |
| Reside in capital and surroundings [ (%)] | 60 (62.5) | 60 (60) |
| Marital status (married/partnership) [ (%)] | 63 (96.9) | 62 (98.4) |
|