Table 3

Body mass index (BMI) (kg/m2) at age 4 years and mortality HRs (with 95% CI), adjusted successively for birth weight, BMI velocities, BMI at 26 years and confounders* (sample is those with non-missing observations on all variables; 1152 males and 1112 females).

BMI SD at age 4 yearsUnadjusted HRsAdjusted for birth weight+ adjusted for BMI velocity age 4–7 years+ adjusted for BMI velocity 7–15 years+ adjusted for BMI at 26 years*+ adjusted for confounders†
Men
−20.98 (0.28 to 3.41)0.97 (0.27 to 3.52)0.91 (0.24 to 3.38)0.89 (0.24 to 3.31)0.99 (0.27 to 3.68)0.97 (0.23 to 4.07)
−10.96 (0.45 to 2.04)0.93 (0.43 to 2.02)0.90 (0.37 to 2.17)0.87 (0.36 to 2.11)0.89 (0.37 to 2.15)0.89 (0.37 to 2.12)
0111111
10.66 (0.27 to 1.64)0.64 (0.26 to 1.57)0.66 (0.29 to 1.52)0.65 (0.28 to 1.49)0.58 (0.25 to 1.33)0.47 (0.20 to 1.13)
20.32 (0.10 to 1.04)0.31 (0.09 to 1.02)0.33 (0.10 to 1.09)0.31 (0.10 to 1.02)0.28 (0.08 to 0.95)0.28 (0.07 to 0.98)
Overall p valuep= 0.42p= 0.42p= 0.50p= 0.43p= 0.36p=0.32
Women
−23.56 (1.27 to 9.99)3.92 (1.40 to 10.9)2.90 (0.97 to 8.67)2.96 (0.98 to 8.90)2.81 (0.91 to 8.63)2.71 (0.84 to 8.70)
−13.25 (1.41 to 7.51)3.36 (1.42 to 7.93)2.99 (1.26 to 7.14)2.96 (1.25 to 7.05)2.59 (1.08 to 6.23)3.09 (1.18 to 8.12)
0111111
11.61 (0.68 to 3.81)1.66 (0.72 to 3.82)1.86 (0.80 to 4.38)1.88 (0.79 to 4.50)1.89 (0.78 to 4.57)2.65 (1.02 to 6.88)
23.02 (1.31 to 6.99)3.16 (1.37 to 7.31)3.97 (1.64 to 9.65)4.07 (1.66 to 10.0)3.84 (1.48 to 10.0)6.72 (2.24 to 20.2)
Overall p valuep= 0.005p=0.005p= 0.002p=0.002p=0.008p=0.001

  • ↵* Modelled using splines as in figure 1.

  • ↵† Childhood social class, educational level at age 26 years, lifetime smoking.