| Variables | Univaried | Immunomodulators | 5-ASA | Biologics | Blood work | odd | 95% CI | value | odd | 95% CI | value | odd | 95% CI | value | odd | 95% CI | value |
| Age | | | | | | | | | | | | | Year | 1.01 | 0.91, 1.11 | 0.83 | 1.04 | 0.91, 1.18 | 0.56 | 0.95 | 0.85, 1.06 | 0.37 | 1.09 | 1.00, 1,17 | 0.04 | Sex | | | | | | | | | | | | | Female | 1 | | | 1 | | | 1 | | | 1 | | | Male | 1.03 | 0.42, 2.51 | 0.95 | 0.8 | 0.29, 2.29 | 0.69 | 0.4 | 0.08, 1.65 | 0.19 | 1.1 | 0.64, 2.04 | 0.66 | Disease type | | | | | | | | | | | | | Crohn’s | 1 | | | 1 | | | 1 | | | 1 | | | Ulcerative colitis | 1.02 | 0.43, 2.41 | 0.96 | 0.8 | 0.23, 2.55 | 0.67 | 1.1 | 0.30, 4.07 | 0.89 | 1.1 | 0.58, 1.95 | 0.84 | Duration of disease | | | | | | | | | | | | | Each year diagnosed | 0.83 | 0.71, 0.97 | 0.02 | 0.9 | 0.76, 1.14 | 0.52 | 1 | 0.88, 1.17 | 0.81 | 0.8 | 0.73, 0.96 | 0.01 | Disease severity | | | | | | | | | | | | | Mild | 1 | | | 1 | | | 1 | | | 1 | | | Moderate | 1.07 | 0.44, 2.62 | 0.88 | 3.2 | 1.04, 9.88 | 0.04 | 1.1 | 0.28, 4.03 | 0.93 | 1.2 | 0.64, 2.34 | 0.54 | Severe | 1.12 | 0.39, 3.26 | 0.83 | 2.6 | 0.49, 13.6 | 0.26 | 1.6 | 0.23, 11.5 | 0.62 | 0.8 | 0.32, 1.99 | 0.63 | Exacerbation | | | | | | | | | | | | | No | 1 | | | 1 | | | 1 | | | 1 | | | Yes | 0.94 | 0.46, 1.94 | 0.88 | 0.7 | 0.22, 2.21 | 0.53 | 1.1 | 0.24, 4.63 | 0.94 | 2 | 1.08, 3.59 | 0.03 | Address | | | | | | | | | | | | | Rural | 1 | | | 1 | | | 1 | | | | | | Urban | 1.09 | 0.49, 2.42 | 0.84 | 3.5 | 1.18, 10.56 | 0.02 | 0.5 | 0.13, 1.91 | 0.32 | 1.6 | 0.87, 3.40 | 0.125 | Clinic visits per year | | | | | | | | | | | | | 0 (0-1 visit) | 1 | | | 1 | | | 1 | | | 1 | | | 1 (2-3 visits) | 0.84 | 0.41, 1.56 | 0.58 | 1.2 | 0.32, 4.26 | 0.82 | 2.9 | 0.27, 3.16 | 0.38 | 1.13 | 0.58, 2.24 | 0.71 | 2 (>3 visits) | 0.95 | 0.55, 1.63 | 0.39 | 1.1 | 0.30, 4.33 | 0.85 | 0.5 | 0.12, 2.06 | 0.34 | 1.30 | 0.70, 2.45 | 0.05 |
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| Multivariable analysis | Variables | Odd | 95% CI | value |
| | Immunomodulators |
| Disease duration | | | | Year | 0.82 | 0.70, 0.97 | 0.02 | Sex | | | | Female | 1 | | | Male | 1.02 | 0.42, 2.51 | 0.06 |
| | 5-ASA |
| Disease severity | | | | Mild | 1 | | | Mod | 3.2 | 1.09, 9.53 | 0.03 | Severe | 3.0 | 0.46, 23.8 | 0.24 | Address | | | | Rural | 1 | | | Urban | 3.6 | 1.20, 11.0 | 0.02 |
| | Blood work |
| Disease Duration | | Year | 0.86 | 0.74, 0.99 | 0.04 | Exacerbation | | | | | 1 | | | | 1.7 | 0.92, 3.29 | 0.09 |
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