Table 1.
Characteristics of small intestinal cancer cases and cohort members in EPIC
| Variables | Cases (n = 131) | Non-cases (n = 338,635) |
|---|---|---|
| Sex, n (%) | ||
| Men | 59 (45.0) | 118,797 (35.1) |
| Women | 72 (55.0) | 219,838 (64.9) |
| Age at recruitment, years (mean, SD) | 56.6 (8.5) | 51.8 (10.1) |
| Age groups, years (n, %) | ||
| <50 | 28 (21.4) | 130,485 (38.5) |
| 50–59 | 58 (44.3) | 134,441 (39.7) |
| ≥60 | 45 (34.4) | 73,709 (21.8) |
| Education (n, %) | ||
| None/primary school | 54 (41.2) | 119,433 (35.3) |
| Technical/professional school | 29 (22.1) | 84,158 (24.9) |
| Secondary school | 20 (15.3) | 52,907 (15.6) |
| Longer education (including university) | 28 (21.4) | 82,137 (24.3) |
| Smoking status (n, %) | ||
| Never smoker | 52 (39.7) | 162,101 (47.9) |
| Former smoker | 41 (31.3) | 94,619 (27.9) |
| Current smoker | 38 (29.0) | 81,915 (24.2) |
| Alcohol drinking, g/day (median, P25–P75) | 7.2 (1.1, 21.6) | 6.8 (1.2,17.8) |
| Physical activity (n, %) | ||
| Inactive | 37 (28.2) | 77,645 (22.9) |
| Moderately inactive | 41 (31.3) | 114,332 (33.8) |
| Moderately active | 24 (18.3) | 78,378 (23.2) |
| Active | 29 (22.1) | 68,280 (20.2) |
| Comorbidity (n, %) | ||
| Diabetes | 5 (3.8) | 10,117 (3.0) |
| Gallstones | 8 (6.1) | 19,655 (5.8) |
| Cardiovascular diseasesa | 17 (13.0) | 59,248 (17.5) |
| Allergic diseasesb | 12 (9.2) | 34,763 (10.3) |
| Ulcer diseases | 6 (4.6) | 17,070 (5.0) |
SD standard deviation; P25 25th percentile, P75 75th percentile
aCardiovascular diseases: angina, heart diseases, stroke, and hypertension
bAllergic diseases: asthma, eczema, and other allergic diseases