Table 2.
Effect of adjusting for waist or hip circumferences on risk of obesity-related cancer according to quintiles of BMI
| Range: | Model 1a | Model 2b | Model 3c | ||||
|---|---|---|---|---|---|---|---|
| BMI Category | N | BMI (kg/m2) | Cases | I/1000 py | HR (95%CI) | HR (95%CI) | HR (95%CI) |
| Men | |||||||
| Quintile 1 | 375 | 18.53–24.83 | 24 | 4.22 | 1.08 (0.60–1.92) | 1.11 (0.60–2.05) | 1.04 (0.57–1.90) |
| Quintile 2 (Ref) | 375 | 24.84–26.74 | 22 | 3.89 | 1.00 | 1.00 | 1.00 |
| Quintile 3 | 377 | 26.75–28.35 | 20 | 3.38 | 0.87 (0.47–1.59) | 0.84 (0.44–1.58) | 0.87 (0.46–1.66) |
| Quintile 4 | 377 | 28.36–31.05 | 25 | 4.38 | 1.17 (0.66–2.08) | 1.23 (0.65–2.31) | 1.35 (0.72–2.51) |
| Quintile 5 | 376 | 31.06–52.98 | 29 | 5.33 | 1.55 (0.88–2.71) | 1.81 (0.84–3.88) | 2.25 (1.08–4.69) |
| Women | |||||||
| Quintile 1 | 413 | 18.55–22.25 | 35 | 5.61 | 1.23 (0.75–2.02) | 1.18 (0.70–1.97) | 1.22 (0.73–2.04) |
| Quintile 2 (Ref) | 412 | 22.26–24.25 | 29 | 4.56 | 1.00 | 1.00 | 1.00 |
| Quintile 3 | 413 | 24.26–26.74 | 33 | 5.14 | 1.10 (0.67–1.82) | 1.19 (0.71–1.99) | 1.15 (0.69–1.93) |
| Quintile 4 | 414 | 26.75–30.33 | 45 | 7.30 | 1.59 (1.00–2.54) | 1.80 (1.07–3.03) | 1.67 (0.99–2.80) |
| Quintile 5 | 412 | 30.34–57.86 | 48 | 8.06 | 1.74 (1.09–2.77) | 2.07 (1.06–4.07) | 1.74 (0.88–3.43) |
a
Model 1: Adjusted for age, height, education, cigarettes/day, grams of alcohol intake, and physical activity.
b
Model 2: model 1 plus WC
c
Model 3: model 1 plus HC