Table 1.
Demographic and disease characteristics of participants at baseline (N=155).
| Characteristics | Value | |
| Female, n (%) | 108 (69.7) | |
| Age, mean (SD) | 42.6 (12.6) | |
| European or Canadian ethnicity, n (%) | 149 (96.1) | |
| Urban residence, n (%) | 132 (85.2) | |
| Marital status, n (%) | ||
|
|
Married or living as married | 97 (62.6) |
|
|
Separated, divorced, or widowed | 22 (14.2) |
|
|
Single or never married | 36 (23.2) |
| Education (years), mean (SD) | 15.6 (3.5) | |
| Crohn disease, n (%) | 102 (65.8) | |
| Age at diagnosis (years), median | 28 | |
| Age at diagnosis (years), mean (SD) | 28.6 (11.5) | |
| Age (years), n (%) | ||
|
|
<17 years | 23 (14.8) |
|
|
17-39 years | 107 (69.0) |
|
|
≥40 years | 25 (16.1) |
| Disease duration (years), mean (SD) | 14.8 (10.3) | |
| Comorbid chronic condition, n (%) | 91 (58.7) | |
| Previous IBDa-related surgery, n (%) | 55 (35.5) | |
| IBD-related hospitalization in the past year, n (%) | 19 (12.3) | |
| Current smoker, n (%) | 28 (18.1) | |
| Alcohol consumption >14 drinks per week, n (%) | 3 (1.9) | |
| Active disease at baseline, n (%) | ||
|
|
IBDSIb at baseline: >24 in Crohn disease, >17 in ulcerative colitis | 74 (47.7) |
|
|
Fecal calprotectin at baseline, >250 μg/g | 71 (45.8) |
| Symptom exacerbation during the study, n (%) | 74 (47.7) | |
aIBD: inflammatory bowel disease.
bIBDSI: Inflammatory Bowel Disease Symptom Index.