From: Modifiable lifestyle factors have a larger contribution to colorectal neoplasms than family history
 | Male | Female | ||
---|---|---|---|---|
Adjusted PAFa (95% CI) | Cases attributable to risk factorb | Adjusted PAFa (95% CI) | Cases attributable to risk factorb | |
For nonadvanced CRN | ||||
 Current smoking | 8.9% (6.6% to 11.1%) | 871/9788 | 3.4% (1.6% to 5.2%) | 273/8035 |
 Ever drinking | 2.6% (0.6% to 4.6%) | 254/9788 | 0.4% (-1.4% to 2.2%) | 32/8035 |
 Physical inactivity | 1.9% (-1.6% to 5.3%) | 186/9788 | 2.1% (-1.5% to 5.7%) | 169/8035 |
 BMI > 25 kg/m2 | 5.8% (3.1% to 8.5%) | 567/9788 | 7.8% (5.1% to 10.4%) | 627/8035 |
 History of CRC in FDR | 1.1% (-0.5% to 2.7%) | 108/9788 | 0.7% (-1.2% to 2.7%) | 56/8035 |
 All selected lifestyle risk factorsc | 19.9% (14.4% to 25.3%) | 1948/9788 | 9.7% (5.1% to 14.2%) | 779/8035 |
For advanced CRN | ||||
 Current smoking | 12.3% (7.9% to 16.8%) | 261/2126 | 4.3% (-0.8% to 9.5%) | 54/1255 |
 Ever drinking | 7.3% (3.0% to 11.5%) | 155/2126 | 0.2% (-5.1% to 5.5%) | 3/1255 |
 Physical inactivity | 4.9% (-1.1% to 10.9%) | 104/2126 | 8.2% (0.6% to 15.8%) | 103/1255 |
 BMI > 25 kg/m2 | 7.2% (1.8% to 12.6%) | 153/2126 | 8.5% (1.9% to 15.1%) | 107/1255 |
 History of CRC in FDR | 0.8% (-3.2% to 4.8%) | 17/2126 | -0.6% (-6.2% to 5%) | 8/1255 |
 All selected lifestyle risk factorsc | 29.0% (20.4% to 37.6%) | 617/2126 | 13.8% (4.2% to 23.3%) | 173/1255 |