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Table 4 Impact of cholesterol on the risk of rheumatoid arthritis in men: multivariate analyses

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

  Adjusted for smoking Adjusted for smoking, socioeconomic status and BMI
OR (95 % CI) OR (95 % CI)
Total cholesterol, per SD 1.01 (0.81–1.24) 1.02 (0.80–1.30)
Total cholesterol–quartile 1* 0.92 (0.52–1.62) 0.82 (0.43–1.57)
Total cholesterol–quartile 2* 1.00 (ref.) 1.00 (ref.)
Total cholesterol–quartile 3* 0.95 (0.54–1.65) 0.99 (0.53–1.85)
Total cholesterol–quartile 4* 0.75 (0.42–1.44) 0.80 (0.41–1.57)
  1. OR odds ratio, CI confidence interval, BMI body mass index, SD standard deviation
  2. *Quartile 1: 3.1–5.0 mmol/l; quartile 2: 5.0–5.6 mmol/l; quartile 3: 5.6–6.3 mmol/l; quartile 4: 6.3–9.4 mmol