Characteristics of patients with coeliac disease and controls
| Variable | Patients with coeliac disease (n=244) | Controls (n=161) | p Value |
|---|---|---|---|
| *χ2 test. | |||
| †χ2 test for trend. | |||
| ‡Unpaired t test. | |||
| ¶Mann-Whitney U test. | |||
| Data were missing on body mass index for 10 coeliacs and seven controls, on age at menarche for eight coeliacs and nine controls, on age at menopause for nine coeliacs and nine controls, on smoking status for eight coeliacs and four controls, and on age for one control. | |||
| Male | 73 (29.9%) | 46 (28.6%) | 0.86* |
| Female | 171 (70.1%) | 115 (71.4%) | |
| Age (y) (mean, SD) | 60.2 (10.1) | 61.2 (10.1) | 0.34‡ |
| Age group (y) | |||
| <55 | 93 (38.1%) | 51 (31.9%) | 0.30† |
| 55–64 | 67 (27.5%) | 53 (33.1%) | |
| 65–74 | 64 (26.2%) | 37 (23.1%) | |
| 75+ | 20 (8.2%) | 19 (11.9%) | |
| Body mass index (median, IQ range) | 23.9 (21.7–25.7) | 25.8 (23.3–29.1) | <0.001¶ |
| Smoking: | |||
| Never smoked | 124 (52.5%) | 68 (43.3%) | 0.012† |
| Ex-smoker | 78 (33.1%) | 50 (31.8%) | |
| Current smoker | 34 (14.4%) | 39 (24.8%) | |
| Maximum smoked (median, IQ range) | 15.0 (10.0–20.0) | 20.4 (12.8–25.0) | 0.008¶ |
| Diagnosis of osteoporosis | 18 (7.4%) | 5 (3.1%) | 0.11* |
| Age at menarche (y) (median, IQ range) | 14 (12–15) | 13 (12–15) | 0.19¶ |
| Age at menopause (y) (median, IQ range) | 48 (42–51) | 49 (44–51) | 0.36¶ |