Table 1.
Subject characteristics
| Variables | Mean (standard deviation) or n (%) |
| Age (yr) | 16.5 (4.0) |
| Age at diagnosis of IBD | 11.8 (3.4) |
| Sex1 | |
| Male | 81 (56.6) |
| Female | 62 (43.4) |
| Year of diagnosis | |
| 2001-2010 | 49 (32.9) |
| 2011-2013 | 46 (30.9) |
| 2014-2016 | 54 (36.2) |
| Type of IBD | |
| Crohn's disease | 114 (76.5) |
| Ulcerative colitis | 18 (12.1) |
| Indeterminate colitis | 10 (6.7) |
| Unknown | 7 (4.7) |
| Length of time unwell before IBD diagnosis | |
| Less than 6 mo | 70 (47.0) |
| 6-12 mo | 44 (29.5) |
| Greater than 1 yr | 12 (8.1) |
| Greater than or equal to 2 yr | 11 (7.4) |
| Not feeling sick around the time of diagnosis | 2 (1.3) |
| No answer provided | 10 (6.7) |
1
Six subjects did not respond.
Mean with standard deviation is reported for continuous variables.
The (n) is the number of patients in each category with percentage. IBD: Inflammatory bowel disease.