Table 4.
Crude and adjusted differences with 95% confidence intervals (CI) in BMI, waist circumference and sum of five skin folds by duration of breastfeeding.
| 15-years old children | 9-years old children | |||||
| BMI, kg/m2 | Waist circumference, cm | Sum of five skin folds, mm | BMI, kg/m2 | Waist circumference, cm | Sum of five skin folds, mm | |
| Crude | ||||||
| < 2 months | 1.2 (0.1, 2.2) | 4.5 (1.7, 7.4) | 8.1 (-1.4, 18.1) | 0.4 (-0.5, 1.2) | 1.3 (-0.9, 3.4) | 1.5 (-5.7, 8.7) |
| 2–3 months | -0.1 (-0.8, 0.5) | -0.5 (-2.3, 1.3) | 1.4 (-4.7, 7.6) | 0 (-0.6, 0.6) | 0.1 (-1.5, 1.7) | -0.8 (-6.1, 4.4) |
| 4–5 months | -0.1 (-0.8, 0.6) | 0.9 (-1.0, 2.7) | 1.8 (-4.7, 8.4) | 0 (-0.6, 0.6) | -0.5 (-2.1, 1.1) | 0.6 (-4.7, 6.0) |
| 6+ months | Reference | Reference | Reference | Reference | Reference | Reference |
| p-value for trend | 0.033 | 0.003 | 0.129 | 0.485 | 0.242 | 0.864 |
| Adjusted | ||||||
| < 2 months | 1.2 (0.1, 2.4) | 3.2 (0.2, 6.2) | 10.6 (1.7, 19.6) | 0.5 (-0.4, 1.5) | 1.8 (-0.5, 4.1) | 3.2 (-4.7, 11.0) |
| 2–3 months | -0.4 (-1.1, 0.3) | -0.8 (-2.6, 1.1) | -6.1 (-11.8, -0.4) | -0.1 (-0.7, 0.6) | 0.2 (-1.6, 2.0) | -1.9 (-7.6, 3.9) |
| 4–5 months | -0.2 (-0.9, 0.5) | 0.5 (-1.3, 2.4) | 0.7 (-4.9, 6.2) | 0.1 (-0.6, 0.8) | 0.1 (-1.7, 1.8) | 1.4 (-4.3, 6.9) |
| 6+ months | Reference | Reference | Reference | Reference | Reference | Reference |
| p-value for trend | 0.725 | 0.439 | 0.973 | 0.485 | 0.242 | 0.864 |
*Adjusted for children's age, gender, pubertal maturation, birthweight, maternal education, maternal and paternal BMI