Hazard ratios for coronary heart disease among women according to body size at birth and at 11 years
Hazard ratios (95% CI) | Number of CHD cases/number of women | |
---|---|---|
BMI, body mass index; CHD, coronary heart disease; CI, confidence interval. | ||
Birth weight (g) | ||
⩽2500 | 1.25 (0.33 to 4.64) | 4/154 |
−3000 | 1.51 (0.58 to 3.93) | 26/803 |
−3500 | 0.83 (0.32 to 2.13) | 31/1771 |
−4000 | 0.89 (0.34 to 2.37) | 21/1146 |
>4000 | 1.00 | 5/256 |
p for trend | 0.14 | |
p for trend adjusted for BMI at 11 years | 0.02 | |
Birth length (cm) | ||
⩽48 | 1.44 (0.71 to 2.89) | 20/734 |
−49 | 1.17 (0.57 to 2.41) | 17/732 |
−50 | 0.98 (0.49 to 1.95) | 21/1101 |
−51 | 1.02 (0.49 to 2.14) | 15/781 |
>51 | 1.00 | 13/727 |
p for trend | 0.10 | |
p for trend adjusted for BMI at 11 years | 0.01 | |
BMI at age 11 years (kg/m2) | ||
⩽15.9 | 1.00 | 13/722 |
−17.0 | 0.97 (0.45 to 2.10) | 13/772 |
−18.4 | 1.59 (0.80 to 3.17) | 21/766 |
>18.4 | 1.79 (0.89 to 3.60) | 20/743 |
p for trend | 0.004 |