Table 2.
The association of general obesity or central obesity with CRC risk.
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Case/person-years | HR (95%CI) | p-value | Case/person-years | HR (95%CI) | p-value | |
| General obesitya | ||||||
| Normal | 174/339508 | Ref. | 32/111878 | Ref. | ||
| Overweight | 223/396041 | 1.10 (0.90,1.34) | 0.368 | 34/84586 | 1.05 (0.65,1.72) | 0.835 |
| Obesity | 108/172796 | 1.29 (1.01,1.64) | 0.040 | 15/41100 | 0.89 (0.48,1.67) | 0.725 |
| Central obesityb | ||||||
| No | 281/586301 | Ref. | 41/151814 | Ref. | ||
| Yes | 224/322045 | 1.28 (1.07,1.52) | 0.008 | 40/85750 | 1.22 (1.03,1.50) | 0.013 |
Adjustments were made for age (every 10 years), family income, educational background, marital status, TC, smoking status, drinking status, physical activity, sedentary lifestyle, tea consumption, salt intake, high-fat diet, hypertension, and family history of cancer.
aGeneral obesity was defined as BMI≥28.0 Kg/m2, and overweight was defined as BMI with a range of 24.0-27.9 Kg/m2.
bCentral obesity was defined as WC> 90.0 cm for men, and WC> 85.0 cm for women.