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Table 4 Odds ratios of health problems and injuries on on-call work from logistic regression models

From: The association between Korean employed workers’ on-call work and health problems, injuries

  Model I Model II Model III Model IV
ORa (95%CIb) OR(95%CI) OR(95%CI) OR(95%CI)
Physical health problems 1.35(1.25-1.47) 1.35(1.25-1.47) 1.34(1.23-1.45) 1.33(1.22-1.44)
 Hearing problems 2.18(1.73-2.75) 2.20(1.74-2.78) 2.07(1.63-2.63) 2.06(1.63-2.62)
 Skin problems 1.80(1.46-2.23) 1.83(1.48-2.26) 1.72(1.39-2.13) 1.71(1.38-2.12)
 Back pain 1.25(1.11-1.41) 1.22(1.09-1.38) 1.22(1.08-1.38) 1.22(1.08-1.38)
 Muscular pains in upper limbs 1.22(1.12-1.33) 1.23(1.13-1.34) 1.23(1.13-1.34) 1.23(1.12-1.34)
 Muscular pains in lower limbs 1.26(1.14-1.39) 1.27(1.15-1.40) 1.27(1.15-1.41) 1.27(1.15-1.40)
 Headache, eyestrain 1.50(1.36-1.64) 1.50(1.36-1.65) 1.47(1.33-1.61) 1.46(1.32-1.31)
 Abdominal pain 1.44(1.07-1.93) 1.47(1.09-1.98) 1.37(1.02-1.85) 1.37(1.02-1.85)
 Respiratory difficulties 1.59(1.05-2.39) 1.51(1.00-2.29) 1.38(0.91-2.10) 1.39(0.91-2.11)
 Cardiovascular diseases 0.93(0.63-1.39) 0.91(0.61-1.36) 0.89(0.60-1.34) 0.90(0.60-1.34)
 Fatigue 1.42(1.30-1.55) 1.39(1.27-1.52) 1.37(1.25-1.50) 1.36(1.24-1.49)
Psychological health problems 1.52(1.26-1.85) 1.38(1.13-1.67) 1.32(1.08-1.61) 1.31(1.08-1.60)
 Depression or anxiety 1.50(1.12-2.00) 1.49(1.11-2.00) 1.44(1.07-1.93) 1.43(1.07-1.93)
 Insomnia and sleep difficulties 1.68(1.35-2.08) 1.46(1.17-1.82) 1.41(1.13-1.77) 1.41(1.13-1.76)
 Injuries 3.00(2.47-3.65) 3.07(2.52-3.74) 2.76(2.26-3.37) 2.76(2.26-3.37)
  1. Model I: Adjusted for personal characteristics (gender, age group, education, income, smoking, drinking, obesity, hypertension)
  2. Model II: Model I + Adjusted for occupational characteristics (job type, employment type, working hours, shift work)
  3. Model III: Model II + Adjusted for working environment (physical, chemical, ergonomic exposure)
  4. Model IV: Model III + Adjusted for work-related stress
  5. aOR Odds ratio
  6. bCI Confidence interval