Table 5

Univariate analyses of ulcerative colitis patients with work disability as the dependent variable

Variable n Univariate
OR95% CIp Value
Gender
 Male (ref)1691
 Female1721.630.83 to 3.170.15
Age at diagnosis
 ≤40 years (ref)2181
 >40 years1231.630.84 to 3.140.15
Education level at diagnosis
Missing=34
 ≤12 years (ref)1551
 >12 years1520.570.27 to 1.170.12
Smoking at diagnosis
Missing=1
 Non-smoker (ref)2961
 Smoker441.770.76 to 4.130.19
ESR or CRP at diagnosis
Missing=30
 ≤30 (ref)2461
 >30652.431.18 to 4.990.02
Disease localisation at diagnosis
 Proctitis (ref)1211
 Left sided1180.710.30 to 1.660.43
 Extensive1021.530.71 to 3.270.28
Steroid treatment at diagnosis
 No (ref)2611
 Yes801.230.59 to 2.580.59
Steroid treatment at 1-year follow-up
Missing=16
 No (ref)2881
 Yes374.291.95 to 9.43<0.001
Number of relapses during 1st year
Missing=17
 None (ref)1461
 1–21371.450.67 to 3.110.34
>2413.301.32 to 8.220.01
Colectomy before 1-year follow-up
 No (ref)3231
 Yes184.111.45 to 11.650.01
Mucosal healing at 1-year follow-up
Missing=52
 Yes (ref)1341
 No1551.620.79 to 3.340.19
ASCA
Missing=27
 Negative3001
 Positive14000.99
  • 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).