Table 1 Sociodemographic, lifestyle and further characteristics of CRC cases, the subgroup of ESTHER study participants included in this analysis and the whole ESTHER study population
CRC patients | Subgroup of the ESTHER study N (%) | ESTHER study population (overall) N (%) | ||
|---|---|---|---|---|
Colon cancer N (%) | Rectal cancer N (%) | |||
N =26 | N =39 | N =917 | N =9953 | |
Age group (years) | ||||
<50 | 4 (15) | 3 (8) | 0 | |
50–54 | 3 (12) | 5 (13) | 165 (18) | 1697 (17) |
55–59 | 3 (12) | 3 (8) | 150 (16) | 1689 (17) |
60–64 | 3 (12) | 9 (23) | 263 (29) | 2704 (27) |
65–69 | 6 (23) | 8 (21) | 194 (21) | 2279 (23) |
⩾70 | 7 (27) | 11 (28) | 142 (16) | 1565 (16) |
Gender | ||||
Females | 9 (35) | 14 (36) | 525 (57) | 5469 (55) |
Males | 17 (65) | 25 (64) | 392 (43) | 4484 (45) |
Body mass index (kg m−2) | ||||
⩽25 | 7 (27) | 23 (61) | 243 (27) | 2706 (28) |
>25–30 | 12 (46) | 11 (29) | 398 (44) | 4566 (46) |
>30 | 7 (27) | 4 (11) | 262 (29) | 2564 (26) |
Current smoking status | ||||
Non-smoker | 23 (88) | 33 (87) | 742 (83) | 8053 (83) |
Smoker | 3 (12) | 5 (13) | 154 (17) | 1652 (17) |
Family history of CRC | ||||
At least 1 first degree relative with CRC | NR | NR | 68 (7) | 904 (9) |
Neoadjuvant therapy | ||||
Chemotherapy | 1 (4) | 0 | NA | NA |
Radiotherapy | 0 | 14 (36) | NA | NA |
Both | 1 (4) | 1 (3) | NA | NA |
