Table 2

Hazard ratios (95% confidence intervals) per quartile of BMI (Q1–4) and per 5 kg/m2 for all cause and cancer mortality

All causesAll cancers
No. of deathsHazard ratio (adj. for year of birth)Hazard ratio (fully adjusted)*No. of deathsHazard ratio (adj. for year of birth)Hazard ratio (fully adjusted)*
*Adjusted for height, number of siblings, pulse rate, birth order and smoking and for age in menarche in females. †Reference category. ‡Trend over quartiles of BMI. §Trend per kg/m2 of BMI.
Males
    Q1†2331.01.0801.01.0
    Q22210.93 (0.78 to 1.12)0.95 (0.79 to 1.14)831.03 (0.76 to 1.40)1.04 (0.76 to 1.41)
    Q32280.96 (0.80 to 1.16)0.97 (0.81 to 1.17)770.96 (0.70 to 1.31)0.96 (0.70 to 1.32)
    Q42891.08 (0.91 to 1.19)1.10 (0.92 to 1.32)991.12 (0.83 to 1.51)1.14 (0.84 to 1.54)
    P(trend)‡0.310.240.550.48
    Per 5 kg/m29711.16 (1.02 to 1.33)1.18 (1.03 to 1.35)3391.20 (0.96 to 2.50)1.22 (0.97 to 1.53)
    P(trend)§0.0270.0150.120.090
Females
    Q1†271.01.0141.01.0
    Q2311.22 (0.73 to 2.25)1.31 (0.78 to 2.21)191.43 (0.72 to 2.85)1.53 (0.76 to 3.07)
    Q3351.28 (0.77 to 2.12)1.37 (0.83 to 2.29)251.80 (0.93 to 3.46)1.94 (1.00 to 3.75)
    Q4451.58 (0.98 to 2.55)1.64 (1.01 to 2.67)241.68 (0.87 to 3.25)1.79 (0.92 to 3.49)
    P(trend)‡0.0610.0500.0980.069
    Per 5 kg/m21381.31 (0.95 to 1.79)1.31 (0.96 to 1.80)821.39 (0.92 to 2.10)1.43 (0.95 to 2.16)
    P(trend)§0.100.0960.130.098