Table 3.

Subgroup analysis.

Subgroup	Colorectal Cancer	p for Interaction	Colon Cancer	p for Interaction	Rectal Cancer	p for Interaction
Age (years)		0.102		0.024		0.959
<65	1.07 (1.05–1.09)		1.08 (1.05–1.10)		1.05 (1.02–1.09)
≥65	1.15 (1.13–1.18)		1.18 (1.15–1.20)		1.11 (1.06–1.15)
Sex		<0.001		<0.001		0.003
Male	1.15 (1.13–1.17)		1.17 (1.15–1.20)		1.09 (1.06–1.13)
Female	1.11 (1.08–1.13)		1.11 (1.08–1.14)		1.09 (1.04–1.14)
Diabetes mellitus		0.003		0.003		0.041
No	1.11 (1.09–1.12)		1.12 (1.10–1.14)		1.09 (1.05–1.12)
Yes	1.08 (1.05–1.11)		1.09 (1.05–1.13)		1.04 (0.99–1.10)
Body mass index (kg/m2)		0.037		0.016		0.738
<25	1.07 (1.04–1.10)		1.07 (1.04–1.10)		1.07 (1.02–1.12)
≥25	1.10 (1.07–1.12)		1.10 (1.08–1.13)		1.08 (1.03–1.12)
Smoking		0.331		0.340		0.444
Non-smoker	1.12 (1.10–1.14)		1.13 (1.11–1.15)		1.09 (1.06–1.12)
Current smoker	1.09 (1.05–1.12)		1.09 (1.06–1.13)		1.08 (1.03–1.14)

Hazard ratio (95% confidence interval) was calculated using multivariable Cox regression analysis after adjusting for age, sex, smoking status, alcohol consumption, physical activity, income, hypertension, diabetes mellitus, and dyslipidemia.