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Table 3 Impact of total cholesterol on the risk of rheumatoid arthritis in women: multivariate analyses

From: High serum cholesterol predicts rheumatoid arthritis in women, but not in men: a prospective study

  Adjusted for smoking Adjusted for smoking and early menopause Adjusted for smoking, early menopause and socioeconomic status
OR (95 % CI) OR (95 % CI) OR (95 % CI)
Total cholesterol, per SD 1.47 (1.16–1.86) 1.44 (1.13–1.83) 1.42 (1.08–1.86)
Total cholesterol–quartile 1* 1.11 (0.57–2.16) 1.12 (0.58–2.18) 1.44 (0.69–3.04)
Total cholesterol–quartile 2* 1.00 (ref.) 1.00 (ref.) 1.00 (ref.)
Total cholesterol–quartile 3* 1.71 (0.90–3.24) 1.70 (0.89–3.23) 2.34 (1.13–4.81)
Total cholesterol–quartile 4* 2.72 (1.44–5.14) 2.62 (1.37–4.99) 2.79 (1.22–5.87)
  1. OR odds ratio, CI confidence interval, SD standard deviation
  2. *Quartile 1: 2.9–4.9 mmol/l; quartile 2: 4.9–5.6 mmol/l; quartile 3: 5.6–6.5 mmol/l; quartile 4: 6.5–9.7 mmol/l