Table 2 Odds ratio of overweighta and obesityb among children by duration of breastfeeding in infancy (n = 2066)
Overweight | Obesity | |||||
|---|---|---|---|---|---|---|
OR | (95% CI) | P for trend | OR | (95% CI) | P for trend | |
1. Breastfeeding duration | ||||||
0 months | 1.00 | 1.00 | ||||
< 2 months | 0.89 | (0.59, 1.34) | 0.84 | (0.45, 1.56) | ||
2-< 4 months | 0.66 | (0.42, 1.03) | 0.44 | (0.20, 0.94) | ||
4-< 6 months | 0.69 | (0.46, 1.04) | 0.53 | (0.28, 1.02) | ||
≥6 months | 0.54 | (0.38, 0.77) | < 0.001 | 0.40 | (0.24, 0.69) | < 0.001 |
2. Model 1 + age and sex of child | ||||||
0 months | 1.00 | 1.00 | ||||
< 2 months | 0.91 | (0.60, 1.36) | 0.85 | (0.46, 1.58) | ||
2-< 4 months | 0.67 | (0.43, 1.04) | 0.44 | (0.20, 0.95) | ||
4-< 6 months | 0.70 | (0.47, 1.05) | 0.54 | (0.28, 1.03) | ||
≥ 6 months | 0.55 | (0.39, 0.77) | < 0.001 | 0.40 | (0.24, 0.70) | < 0.001 |
3. Model 2 + mother's age at birth, years of secondary education and country of birth | ||||||
0 months | 1.00 | 1.00 | ||||
< 2 months | 0.94 | (0.63, 1.43) | 0.90 | (0.48, 1.69) | ||
2-< 4 months | 0.71 | (0.46, 1.12) | 0.47 | (0.22, 1.03) | ||
4-< 6 months | 0.77 | (0.51, 1.13) | 0.62 | (0.32, 1.20) | ||
≥6months | 0.63 | (0.44, 0.99) | 0.001 | 0.49 | (0.28,0.87) | 0.005 |
4. Model 3 + child's mean daily energy intake, physical activity, screen time and sleep duration | ||||||
0 months | 1.00 | 1.00 | ||||
< 2 months | 0.94 | (0.62, 1.43) | 0.88 | (0.47, 1.68) | ||
2-< 4 months | 0.70 | (0.44, 1.10) | 0.47 | (0.22, 1.04) | ||
4- < 6 months | 0.78 | (0.52, 1.19) | 0.61 | (0.31, 1.20) | ||
≥ 6 months | 0.64 | (0.44, 0.91) | 0.002 | 0.51 | (0.29, 0.90) | 0.009 |