Table 1.

Hazard ratios (95% confidence intervals) for death from coronary heart disease according to birth weight and weight at 1 year in 10,636 men in Hertfordshire

Weight (lb)Death from Coronary Heart Disease
Before 65 YrAll Ages
Birth weight
    ≤5.5 (n = 486)1.50 (0.98 to 2.31)1.37 (1.00 to 1.86)
    5.6 to 6.5 (n = 1385)1.27 (0.89 to 1.83)1.29 (1.01 to 1.66)
    6.6 to 7.5 (n = 3162)1.17 (0.84 to 1.63)1.14 (0.91 to 1.44)
    7.6 to 8.5 (n = 3308)1.07 (0.77 to 1.49)1.12 (0.89 to 1.40)
    8.6 to 9.5 (n = 1564)0.96 (0.66 to 1.39)0.97 (0.75 to 1.25)
    ≥10 (n = 731)1.001.00
    P for trend0.0010.005
1 yr of age
    ≤18 (n = 715)2.22 (1.33 to 3.73)1.89 (1.34 to 2.66)
    18.1 to 20 (n = 1806)1.80 (1.11 to 2.93)1.58 (1.15 to 2.16)
    20.1 to 22 (n = 3404)1.96 (1.23 to 3.12)1.66 (1.23 to 2.25)
    22.1 to 24 (n = 2824)1.52 (0.95 to 2.45)1.36 (1.00 to 1.85)
    24.1 to 26 (n = 1391)1.36 (0.82 to 2.26)1.29 (0.93 to 1.78)
    ≥27 (n = 496)1.001.00
    P for trend<0.001<0.001