Table 3.
Effect of waist circumference and waist-to-height ratio on risk of obesity-related cancer, after adjusting for hip circumference
| Waist Circumference | Waist-to-Height Ratio | |||||
|---|---|---|---|---|---|---|
| Model 1a | Model 2b | Model 1a | Model 2b | |||
| WC Category | WC (inches) | HR (95% CI) | HR (95% CI) | WHtRatio | HR1 (95% CI) | HR2 (95% CI) |
| Men | ||||||
| Quintile 1 | 28.0–35.9 | 1.60 (0.83, 3.09) | 1.42 (0.72, 2.82) | 0.401–0.517 | 1.73 (0.88, 3.39) | 1.59 (0.79, 3.18) |
| Quintile 2 (Ref) | 36.0–37.9 | 1.00 | 1.00 | 0.518–0.546 | 1.00 | 1.00 |
| Quintile 3 | 38.0–39.7 | 0.80 (0.91, 1.90) | 0.98 (0.47, 2.05) | 0.547–0.574 | 1.11 (0.54, 2.28) | 1.18 (0.57, 2.45) |
| Quintile 4 | 39.8–42.0 | 1.50 (0.78, 2.87) | 1.76 (0.87, 3.53) | 0.575–0.611 | 1.78 (0.91, 3.49) | 2.01 (0.98, 4.11) |
| Quintile 5 | 42.1–59.8 | 2.25 (1.19, 2.23) | 3.22 (1.39, 7.45) | 0.612–0.858 | 2.24 (1.18, 4.25) | 2.94 (1.27, 6.78) |
| Women | ||||||
| Quintile 1 | 23.5–28.9 | 1.23 (0.75, 2.04) | 1.31 (0.78, 2.19) | 0.369–0.450 | 1.29 (0.78, 2.13) | 1.36 (0.81, 2.29) |
| Quintile 2 (Ref) | 29.0–31.0 | 1.00 | 1.00 | 0.451–0.491 | 1.00 | 1.00 |
| Quintile 3 | 31.1–34.0 | 1.27 (0.77, 2.08) | 1.21 (0.73, 2.01) | 0.492–0.535 | 1.26 (0.75, 2.09) | 1.20 (0.72, 2.02) |
| Quintile 4 | 34.1–37.9 | 1.53 (0.93, 2.52) | 1.39 (0.81, 2.37) | 0.536–0.594 | 1.25 (0.74, 2.10) | 1.14 (0.66, 1.98) |
| Quintile 5 | 38.0–67.5 | 1.47 (0.90, 2.39) | 1.17 (0.61, 2.27) | 0.595–1.035 | 1.57 (0.95, 2.59) | 1.25 (0.64, 2.46) |
WC=waist circumference
a
Model 1: Adjusted for age, height, education, cigarettes/day, grams of alcohol intake, and physical activity.
b
Model 2: model 1 plus hip circumference.