Table 2.
Data extracted from Cohort studies.
| Reference | Country; Study acronym | Cohort Size | Follow-up years | Age | CRC Cases | Confounding |
|---|---|---|---|---|---|---|
| [29] | Oxford FPA, UK | 17,032 | 30 | 25–39 | 46 | Physical activity, alcohol intake, Body mass index |
| [30] | China | 267,400 | 10 | 36–70 | 655 | age, parity |
| [32] | WHIS, USA | 39,680 | 11 | 52–60 | 267 | Body mass index, physical activity, smoking status, red meat intake, alcohol consumption, |
| [36] | Canada | 89,835 | 16 | 40–59 | 1142 | Physical activity, dietary variables, body mass index (BMI) |
| [35] | 93,676 | 11.9 | 50–79 | 1149 | Age, family history of colorectal cancer, race/ethnicity, education level, hormone therapy status, a history of diabetes, smoking status |
*FPA - Family Planning Association; WHIS - Women's Health Initiative Study.