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Table 3 Odds ratios (OR) and 95% confidence intervals (95% CI) for multivariable analyses of factors potentially associated to VAS global, EuroQol and HAQ

From: Alcohol consumption is associated with lower self-reported disease activity and better health-related quality of life in female rheumatoid arthritis patients in Sweden: data from BARFOT, a multicenter study on early RA

   VAS global EuroQol HAQ
   OR (95% CI) OR (95% CI) OR (95% CI)
Sex Women 1.0 1.0 1.0
  Men 0.59 (0.43–0.82) 2.09 (1.50–2.93) 0.45 (0.32–0.63)
Age   1.02 (1.01–1.04) 0.98 (0.97–0.99) 1.04 (1.03–1.06)
Disease duration   1.04 (1.01–1.08) 1.00 (0.96–1.04) 1.06 (1.02–1.10)
Alcohol use    
  None 1.0 1.0 1.0
  Non-Hazardous 0.72 (0.43–1.20) 1.24 (0.74–2.07) 0.92 (0.55–1.53)
  Hazardous 0.64 (0.36–1.16) 1.48 (0.82–2.68) 0.70 (0.38–1.26)
Socio-economic group    
Blue collar 1.0 1.0 1.0
Lower white collar 0.69 (0.51–0.92) 1.54 (1.14–2.08) 0.81 (0.60–1.10)
Upper white collar 0.44 (0.25–0.80) 1.56 (0.88–2.79) 0.64 (0.36–1.16)
Self-employed 2.58 (0.51–13.10) 5.81 (0.69–48.74) 0.35 (0.07–1.79)
Others 0.88 (0.31–2.47) 1.04 (0.34–3.12) 0.54 (0.18–1.66)
Smoking Never 1.0 1.0 1.0
  Previous 0.79 (0.57–1.08) 0.95 (0.68–1.32) 1.02 (0.73–1.42)
  Current 1.06 (0.70–1.61) 0.58 (0.38–0.88) 1.46 (0.95–2.26)
No. DMARDs or biologics 1.15 (1.04–1.28) 0.71 (0.63–0.79) 1.51 (1.34–1.71)