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Table 4 Participation in physical education (PE) in 242 children at the eight-year study visit in the Nordic juvenile idiopathic arthritis (JIA) cohort according to different JIA categories

From: Participation in school and physical education in juvenile idiopathic arthritis in a Nordic long-term cohort study

JIA categories Full PE
(n = 194)
No or partly PE
(n = 48)
OR (95% CI)a P-value
n (%) n (%)
Oligoarticular persistent 73 (93.6) 5 (6.4) n.a n.a
Oligoarticular extended 33 (78.6) 9 (21.4) 4.0 (1.2–12.8) 0.020
Polyarticular RF negative 39 (78.0) 11 (22.0) 4.1 (1.3–12.7) 0.014
Polyarticular RF positive 0 0 n.a n.a
Systemic arthritis 5 (83.3) 1 (16.7) 2.9 (0.3–30.0) 0.367
Psoriatic arthritis 10 (83.3) 2 (16.7) 2.9 (0.5–17.1) 0.235
Enthesitis-related arthritis 13 (65.0) 7 (35.0) 7.9 (2.2–28.6) 0.002
Undifferentiated arthritis 21 (61.8) 13 (38.2) 9.0 (2.9–28.3) < 0.001
  1. aUnivariate regression analysis with oligoarticular persistent arthritis as a reference category. OR Odds ratio, CI Confidence interval, RF Rheumatoid factor, n.a Not applicable