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Table 4 Odds ratio of CV event risk to occupational factors

From: Cardiovascular Disease Risk of Bus Drivers in a City of Korea

CV event risk Unadjusted Adjusted*
OR 95% CI OR 95% CI
Medium     
  Shift pattern (double vs alternative) 0.86 (0.52-1.42) 0.83 (0.53-1.38)
  PDA ratio (<0.5 vs ≥0.5) 1.28 (0.85-1.94) 1.31 (0.86-1.98)
High     
  Shift pattern (double vs alternative) 2.87 (1.50-5.51) 2.58 (1.33-5.00)
  PDAR (<0.5 vs ≥0.5) 2.44 (1.32-4.58) 2.18 (1.15-4.14)
  1. *Backward stepwise multinominal logistic regression, adjusted for employed type, shift duty pattern and PDAR.
  2. PDAR, professional driving duration/age ratio.