Hazard ratios (95% confidence intervals) per quartile of BMI (Q1–4) and per 5 kg/m2 for smoking and non-smoking related cancer mortality
| Cancers related to smoking | Cancers not related to smoking | |||||
|---|---|---|---|---|---|---|
| No. of deaths | Hazard ratio (adj. for year of birth) | Hazard ratio (fully adjusted)* | No. of deaths | Hazard 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† | 36 | 1.0 | 1.0 | 44 | 1.0 | 1.0 |
| Q2 | 36 | 0.98 (0.62 to 1.56) | 1.01 (0.64 to 1.61) | 47 | 1.06 (0.70 to 1.60) | 1.06 (0.70 to 1.60) |
| Q3 | 31 | 0.85 (0.53 to 1.38) | 0.87 (0.54 to 1.42) | 46 | 1.04 (0.69 to 1.57) | 1.04 (0.68 to 1.57) |
| Q4 | 36 | 0.87 (0.54 to 1.39) | 0.90 (0.57 to 1.46) | 63 | 1.33 (0.90 to 1.96) | 1.33 (0.90 to 1.96) |
| P(trend)‡ | 0.46 | 0.58 | 0.17 | 0.17 | ||
| Per 5 kg/m2 | 139 | 0.99 (0.69 to 1.41) | 1.03 (0.72 to 1.48) | 200 | 1.36 (1.02 to 1.81) | 1.36 (1.02 to 1.82) |
| P(trend)§ | 0.94 | 0.87 | 0.039 | 0.039 | ||
| Females | ||||||
| Q1† | 6 | 1.0 | 1.0 | 8 | 1.0 | 1.0 |
| Q2 | 4 | 0.70 (0.20 to 2.48) | 0.85 (0.24 to 3.07) | 15 | 1.98 (0.84 to 4.66) | 2.05 (0.86 to 4.88) |
| Q3 | 7 | 1.11 (0.37 to 3.31) | 1.33 (0.44 to 4.03) | 18 | 2.31 (1.00 to 5.30) | 2.41 (1.04 to 5.57) |
| Q4 | 4 | 0.59 (0.17 to 2.11) | 0.67 (0.18 to 2.43) | 20 | 2.52 (1.11 to 5.73) | 2.62 (1.14 to 6.01) |
| P(trend)‡ | 0.60 | 0.75 | 0.026 | 0.023 | ||
| Per 5 kg/m2 | 21 | 0.66 (0.28 to 1.59) | 0.71 (0.31 to 1.67) | 61 | 1.77 (1.11 to 2.80) | 1.80 (1.13 to 2.86) |
| P(trend)§ | 0.35 | 0.43 | 0.020 | 0.018 | ||