Relation between breast feeding and BMI† at ages 7–33 years
| Breast feeding duration | ||||
|---|---|---|---|---|
| Age | >1 month | <1 month | Never | Total n |
| †Mean BMI (kg/m2) and 95% CI. | ||||
| ‡Maximum and minimum n. All maximum n were at 7 years. | ||||
| *p<0.05 to **p<0.01 for comparison with those breast fed for >1 month. | ||||
| Males | (n = 2891, 2088)‡ | (n = 1627, 1118)‡ | (n = 2131, 1456)‡ | |
| BMI 7 y | 15.94 (15.88 to 16.00) | 15.91 (15.84 to 15.99) | 15.99 (15.92 to 16.06) | 6649 |
| BMI 11 y | 17.31 (17.21 to 17.40) | 17.24 (17.11 to 17.37) | 17.44 (17.33 to 17.56) | 5578 |
| BMI 16 y | 20.28 (20.16 to 20.39) | 20.23 (20.08 to 20.39) | 20.32 (20.18 to 20.46) | 4768 |
| BMI 33 y | 25.52 (25.35 to 25.70) | 25.69 (25.46 to 25.93) | 25.87 (25.66 to 26.08)* | 4662 |
| Females | (n = 2776, 2076)‡ | (n = 1547, 1128)‡ | (n = 1885, 1311)‡ | |
| BMI 7 y | 15.86 (15.79 to 15.93) | 15.88 (15.78 to 15.97) | 15.95 (15.86 to 16.03) | 6208 |
| BMI 11 y | 17.63 (17.52 to 17.74) | 17.69 (17.55 to 17.84) | 17.79 (17.65 to 17.92) | 5367 |
| BMI 16 y | 20.96 (20.83 to 21.08) | 20.96 (20.79 to 21.14) | 21.22 (21.06 to 21.38)* | 4542 |
| BMI 33 y | 24.39 (24.18 to 24.60) | 24.60 (24.32 to 24.88) | 24.88 (24.63 to 25.14)** | 4625 |