Characteristics of the study population
| Men (n=97) | Women (n=51) | Total (n=148) | |
|---|---|---|---|
| Values are mean (SD) or number (%). | |||
| CRC, colorectal cancer; BMI, body mass index; RT-CT, radiation therapy or chemotherapy. | |||
| Age at diagnosis (y)) | 65.8 (9.3) | 62.1 (11.3) | 64.4 (10.2) |
| Familial history of CRC (%) | 17 (15.5%) | 10 (19.6%) | 25 (16.9%) |
| BMI (kg/m2) | 25.8 (3.8) | 23.7 (3.3) | 25.1 (3.7) |
| Physical activity (%) | |||
| Low | 59 (60.8%) | 36 (70.6%) | 95 (64.2%) |
| Moderate | 23 (23.7%) | 13 (25.5%) | 36 (24.3%) |
| High | 15 (15.5%) | 2 (3.9%) | 17 (11.5%) |
| Alcohol intake (g/day) | 44.8 (39.3) | 8.9 (16.1) | 32.4 (37.3) |
| 1st tertile | 22.83 | 0.70 | — |
| 2nd tertile | 53.94 | 5.42 | — |
| Tobacco consumption | |||
| Non-smoker | 18 (18.6%) | 49 (96.0%) | 67 (45.3%) |
| <20 pack-years | 36 (37.1%) | 1 (2.0%) | 37 (25.0%) |
| ≥20 pack-years | 43 (44.3%) | 1 (2.0%) | 44 (29.7%) |
| Alcohol free energy intake (kcal/day) | 2440 (6850 | 2115 (803) | 2328 (742) |
| 1st tertile | 2107 | 1754 | — |
| 2nd tertile | 2684 | 2234 | — |
| Total energy intake (kcal/day) | 2754 (829) | 2177 (782) | 2555 (856) |
| 1st tertile | 2373 | 1843 | — |
| 2nd tertile | 2985 | 2287 | — |
| Tumour location (%) | |||
| Colon | 49 (50.5%) | 39 (76.5%) | 88 (49.4%) |
| Rectum | 48 (49.5%) | 12 (23.5%) | 60 (40.6%) |
| Tumour stage (%) | |||
| Dukes’ A | 34 (35.1%) | 14 (27.5%) | 48 (32.4%) |
| Dukes’ B | 39 (40.2%) | 25 (49.0%) | 64 (43.3%) |
| Dukes’ C | 22 (22.7%) | 10 (19.6%) | 32 (21.6%) |
| Dukes’ D | 2 (2.0%) | 2 (3.9%) | 4 (2.7%) |
| Adjuvant treatment (RT-CT) (%) | 13 (13.4%) | 2 (3.9%) | 15 (10.1%) |