Crude | Adjusteda | |||
---|---|---|---|---|
OR | 95% CI | OR | 95% CI | |
Demographics and anthropometrics | ||||
Male sex | 1.06 | (0.47–2.37) | 0.81 | (0.34–1.89) |
Age (per SD)b | 1.20 | (0.81–1.77) | 1.34 | (0.86–2.10) |
Time to first DMARD (per SD)b | 0.57 | (0.25–1.30) | 0.57 | (0.23–1.42) |
BMI (per SD)b | 0.76 | (0.51–1.15) | 0.67 | (0.44–1.03) |
Normal BMIc (reference) | 1.00 | 1.00 | ||
Obesec | 0.10 | (0.01–0.83) | 0.07 | (0.01–0.58) |
Obese or overweightc | 0.32 | (0.15–0.71) | 0.27 | (0.12–0.63) |
Overweightc | 0.39 | (0.18–0.88) | 0.36 | (0.15–0.84) |
Smoking habits | ||||
Never smoker (reference) | 1.00 | 1.00 | ||
Current smoker | 3.60 | (1.27–10.22) | 2.92 | (1.00–8.56) |
Ever smoker | 3.18 | (1.22–8.24) | 2.69 | (1.01–7.18) |
Previous smoker | 2.79 | (0.97–8.03) | 2.50 | (0.83–7.55) |
Baseline disease parameters | ||||
RF positivity | 5.70 | (1.90–17.10) | NA | NA |
Anti-CCP positivity | 6.04 | (1.98–18.47) | 3.69 | (1.12–12.17) |
Erosions presentd | 2.29 | (0.95–5.53) | NA | NA |
DAS28 (per SD)b | 1.47 | (0.99–2.18) | 1.41 | (0.94–2.11) |
Disease activityc | ||||
Low/moderate (reference) | 1.00 | 1.00 | ||
High | 2.76 | (1.29–5.89) | 2.70 | (1.21–6.03) |
HAQ (per SD)b | 1.37 | (0.96–1.96) | 1.55 | (1.05–2.28) |
ESR (per SD)b | 1.89 | (1.33–2.69) | 1.70 | (1.17–2.46) |
CRP below median (reference) | 1.00 | 1.00 | ||
CRP above median (> 9 mg/l) | 2.89 | (1.31–6.39) | 2.36 | (1.04–5.38) |
Swollen joint count (per SD)b | 1.26 | (0.87–1.84) | 1.26 | (0.86–1.86) |
Tender joint count (per SD)b | 0.85 | (0.55–1.32) | 0.94 | (0.60–1.48) |
Patient’s global assessment (VAS; per SD)b | 1.36 | (0.92–2.00) | 1.29 | (0.85–1.94) |
Pain (VAS; per SD)b | 1.16 | (0.79–1.69) | 1.18 | (0.79–1.77) |