Variable | n | Multivariate-model 1 | Multivariate-model 2 | Multivariate-model 3 | Multivariate-model 4 | ||||||||
OR | 95% CI | p Value | OR | 95% CI | p Value | OR | 95% CI | p Value | OR | 95% CI | p Value | ||
Gender | |||||||||||||
Male (ref) | 169 | 1 | 1 | 1 | 1 | ||||||||
Female | 172 | 1.80 | 0.90 to 3.62 | 0.10 | 1.76 | 0.87 to 3.53 | 0.11 | 1.87 | 0.92 to 3.77 | 0.08 | 1.73 | 0.87 to 3.41 | 0.12 |
Age at diagnosis | |||||||||||||
≤40 years (ref) | 218 | 1 | 1 | 1 | 1 | ||||||||
>40 years | 123 | 2.07 | 1.02 to 4.21 | 0.04 | 1.71 | 0.86 to 3.41 | 0.13 | 1.78 | 0.90 to 3.54 | 0.1 | 1.81 | 0.92 to 3.56 | 0.086 |
Steroid treatment at 1-year follow-up | |||||||||||||
Missing=16 | |||||||||||||
No (ref) | 288 | 1 | |||||||||||
Yes | 37 | 5.46 | 2.37 to 12.59 | <0.001 | |||||||||
ESR or CRP at diagnosis | |||||||||||||
Missing=30 | |||||||||||||
≤30 (ref) | 246 | 1 | |||||||||||
>30 | 65 | 2.49 | 1.20 to 5.16 | 0.015 | |||||||||
Number of relapses during 1st year | |||||||||||||
Missing=17 | |||||||||||||
None (ref) | 146 | 1 | |||||||||||
1–2 | 137 | 1.51 | 0.70 to 3.29 | 0.3 | |||||||||
>2 | 41 | 3.68 | 1.45 to 9.35 | 0.006 | |||||||||
Colectomy before 1-year follow-up | |||||||||||||
No (ref) | 323 | 1 | |||||||||||
Yes | 18 | 4.82 | 1.65 to 14.1 | 0.004 |
The models include gender, age and either steroid treatment, ESR or CRP, relapses or surgery. No work disability, n=300; work disability, n=41.
ASCA, anti-Saccromyces cerevisiae antibodies; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; Ref, reference category; WD, work disability because of inflammatory bowel disease (applied for or granted a rehabilitation benefit or disability pension).