Table 3.
Adjusted odds ratio of lung cancer according to BMI categories
| Men and Women | Men | Women | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cases | Controls | Adjusted | Cases | Controls | Adjusted | Cases | Controls | Adjusted | |
| BMI (kg/m2) a | (N = 4172) | (N = 8471) | OR (95% CI) b | (N = 3043) | (N = 6135) | OR (95% CI) c | (N = 1129) | (N = 2336) | OR (95% CI) c |
| Underweight | 250 | 408 | 1.03 (0.84–1.25) | 196 | 310 | 1.06 (0.85–1.32) | 54 | 98 | 0.85 (0.52–1.39) |
| Normal weight | 2150 | 4276 | Reference | 1607 | 3155 | Reference | 543 | 1121 | Reference |
| Overweight | 1112 | 2746 | 0.77 (0.68–0.86) | 810 | 2004 | 0.71 (0.62–0.81) | 302 | 742 | 0.80 (0.63–1.02) |
| Obese | 373 | 934 | 0.69 (0.59–0.82) | 256 | 628 | 0.63 (0.52–0.78) | 117 | 306 | 0.70 (0.51–0.97) |
| Missing | 287 | 107 | – | 174 | 38 | – | 113 | 69 | – |
aUnderweight (BMI < 18.5), normal weight (18.5 ≤ BMI < 25), overweight (25 ≤ BMI < 30) and obese (BMI ≥ 30)
bAdjusted for age, gender, study center, time elapsed, pack-years of smoking and education level
cAdjusted for age, study center, time elapsed, pack-years of smoking and education level