Table 2.
Deaths in smokers and non-smokers according to BMI* category
| Non-smoker (n=18 990) | Smoker (n=26 894) | Light smoker (1-10/day) (n=14 846) | Heavy smoker (>10/day) (n=12 048) | Total (n=45 884) | |
|---|---|---|---|---|---|
| Person years† | 689 628 | 968 138 | 536 243 | 431 895 | 1 657 766 |
| Deaths (total)† | 806 | 2072 | 976 | 1096 | 2878 |
| BMI category: | |||||
| Underweight | 96 | 301 | 138 | 163 | 397 |
| Normal | 634 | 1582 | 760 | 822 | 2216 |
| Overweight | 63 | 153 | 68 | 85 | 216 |
| Obese | 13 | 36 | 10 | 26 | 49 |
*Body mass index (kg/m2): underweight <18.5, normal weight 18.5-24.9, overweight 25-29.9, obese ≥30.
†Deaths and person years are for participants with data on all covariates used in Cox regressions in tables 4 and 5. Therefore numbers do not equal those shown in table 1.