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Table 3 Adjusted odds ratio of lung cancer according to BMI categories

From: Body mass index and lung cancer risk: a pooled analysis based on nested case-control studies from four cohort studies

  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
  1. aUnderweight (BMI < 18.5), normal weight (18.5 ≤ BMI < 25), overweight (25 ≤ BMI < 30) and obese (BMI ≥ 30)
  2. bAdjusted for age, gender, study center, time elapsed, pack-years of smoking and education level
  3. cAdjusted for age, study center, time elapsed, pack-years of smoking and education level
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