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Table 3 Colorectal cancer mortality and incidence attributable to the selected risk factors in China, 2012

From: Attributable causes of colorectal cancer in China

Risk factors Men Women Total
PAF (95% CI)a (%) Mortality Incidence PAF (95% CI)a (%) Mortality Incidence PAF(95% CI)a (%) Mortality Incidence
Tobacco smoking 8.4(4.9–12.1) 6636 12,348 0.4(0.2–0.6) 240 428 4.9(2.9–7.1) 6876 12,776
Alcohol drinking 8.7(0.4–17.6) 6873 12,789 1.1(0.0–2.4) 660 1177 5.4(0.2–11.0) 7533 13,966
Overweight/Obesity 4.9(1.6–8.5) 3871 7203 5.8(1.9–9.9) 3480 6206 5.3(1.7–9.1) 7351 13,409
Physical inactive 8.9(6.5–11.1) 7031 13,083 9.0(5.9–13.1) 5400 9630 8.9(6.1–22.2) 12,431 22,713
Low vegetable intake 18.8(6.2–29.1) 14,852 27,636 16.8(5.7–25.9) 10,080 17,976 17.9(3.7–17.1) 24,932 45,612
Low fruit intake 6.2(2.2–10.4) 4898 9114 6.7(2.3–11.2) 4020 7169 6.4(2.5–13.2) 8918 16,283
High red and processed meat intake 9.1(2.7–14.8) 7189 13,377 7.9(2.2–12.7) 4740 8453 8.6(2.5–13.9) 11,929 21,830
Totalb 49.8(22.2–68.1) 39,342 73,206 39.6(17.1–56.4) 23,760 42,372 45.5(18.1–63.8) 63,102 115,578
  1. PAF Population Attributable Fraction. Colorectal cancer incidence and mortality in China were from the Globocan database in 2012 [22]
  2. a95% CIs were calculated by a delta method
  3. bCombined PAF for smoking, drinking, overweight/obesity, physical inactivity, low vegetable intake, low fruit intake, high red and processed meat intake was calculated using the following formula [35]: PAF = 1 – (1 – PAF1) × (1 – PAF2) × (1 – PAF3) × (1 – PAF4) × (1 – PAF5) × (1 – PAF6) × (1 – PAF7)