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Table 2 Odds ratio of selected variables and self-perceived health

From: Association between working time quality and self-perceived health: analysis of the 3rd Korean working conditions survey (2011)

Variable Adjusted
OR 95% CI
Sex
 Female 1.00  
 Male 0.88 0.83 ~ 0.93
Age (year)
 15-29 1.00  
 30-39 1.45 1.33 ~ 1.58
 40-49 1.87 1.72 ~ 2.04
 50-59 2.44 2.22 ~ 2.68
 60- 3.12 2.77 ~ 3.51
Income (won)
 -990,000 1.00  
 1,000,000-1,990,000 0.97 0.89 ~ 1.06
 2,000,000-2,990,000 0.91 0.82 ~ 1.00
 3,000,000- 0.88 0.79 ~ 0.98
Education
 Middle school graduation or less 1.00  
 High graduation 0.69 0.63 ~ 0.75
 University graduation or more 0.69 0.62 ~ 0.76
Occupation
 White collar 1.00  
 Service, sales worker 0.96 0.90 ~ 1.03
 Blue collar 1.11 1.04 ~ 1.20
Employment type
 Regular 1.00  
 Temporary or part-time 1.35 1.27 ~ 1.44
Work hours per week (hours)
  ≤ 45 h 1.00  
  > 45 h 1.33 1.25 ~ 1.40
Shift work
 No 1.00  
 Yes 0.73 0.67 ~ 0.81
Work at night
 No 1.00  
 Yes 1.27 1.17 ~ 1.38
Work in the evening
 No 1.00  
 Yes 1.15 1.08 ~ 1.23
Work on Sundays
 No 1.00  
 Yes 1.13 1.06 ~ 1.20
Working more than 10 h a day
 No 1.00  
 Yes 1.11 1.04 ~ 1.18
  1. Odds ratios and 95% confidence intervals were estimated by a multiple logistic regression model including all the variables in the table