Study population characteristics
| Patients with coeliac disease, N (%) 176 | General population, N (%) 528 | P value | |
| Ethnicity | |||
| Caucasian | 100 % | 100% | – |
| Female | 129 (73.3) | 389 (73.7) | 0.43 |
| Age at test (mean±SD) | 37.7±10.8 | 39.1±12.7 | 0.19 |
| Body mass index | |||
| ≤18 | 5 (2.8) | 16 (3.0) | 0.1 |
| 18.1–25 | 137 (77.8) | 382 (72.3) | |
| 25.1–30 | 27 (15.4) | 80 (15.2) | |
| >30 | 7 (4.0) | 50 (9.5) | |
| Job | |||
| Student | 25 (14.2) | 85 (16.1) | 0.9 |
| Housewife | 13 (7.4) | 28 (5.3) | |
| Low-class job | 14 (8.0) | 45 (8.5) | |
| Middle-class job | 39 (22.1) | 120 (22.7) | |
| High-class job | 70 (39.8) | 201 (38.1) | |
| Retired | 5 (2.8) | 18 (3.4) | |
| Unemployed | 10 (5.7) | 31 (5.9) | |
| Physical activity | |||
| Walk 30 mins daily | 26 (14.8) | 97 (18.4) | 0.51 |
| Practice sport once a week | 12 (6.8) | 48 (9.1) | |
| Practice sport more than twice a week | 43 (24.4) | 131 (24.8) | |
| Physical demanding job | 12 (6.8) | 26 (4.9) | |
| No sport activities | 83 (47.2) | 226 (42.8) | |