Predictor | OR | 95% CI |
---|---|---|
Sex (female vs male) | 1.36 | (0.86–2.11) |
Age of onset | 0.92 | (0.87–0.98) |
Sex × age of onset (female only) | 0.93 | (0.87–0.999) |
ANA-positive (yes vs no) | 1.61 | (1.27–2.05) |
Polyarticular RF-positive (yes vs no) | 0.26 | (0.08–0.82) |
Oligoarticular persistent (yes vs no) | 1.61 | (1.27–2.05) |
Oligoarticular extended (yes vs no) | 1.89 | (1.34–2.67) |
ANA: antinuclear antibody; RF: rheumatoid factor.