Table 4.

Subgroup-specific hazard ratios (95% CIs) of CRC risk and population attributable fractions (PAFs) for overweight and obesity, obtained with inclusion of various follow-up time windows after recruitment in the analyses. Participants with BMI < 25 kg/m² were the reference group in all analyses.

Gray fields show the follow-up years included in the analysis.

^aAdjusted for age, sex, ethnicity, socio-economic deprivation, education, smoking status, alcohol consumption, physical activity, fruit, vegetable, red meat and processed meat intake, history of bowel cancer screening, family history of CRC, and regular use of NSAIDs or aspirin.

^bAge- and sex-weighted average percentage of CRC cases that is estimated to be attributable to overweight and obesity.