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Table 3 The odds ratios and 95% confidence intervals of working hours, shiftwork, and occupational stress on presenteeism

From: Association among Working Hours, Occupational Stress, and Presenteeism among Wage Workers: Results from the Second Korean Working Conditions Survey

  Model I* Model II†
  OR 95% CI OR 95% CI
Working Time (hr/wk)     
≤ 40 1.00   1.00  
41-52 1.19 1.03-1.37 1.19 1.03-1.38
53-60 1.31 1.10-1.56 1.48 1.23-1.78
> 60 1.90 1.55-2.33 2.10 1.69-2.61
Shift work     
No 1.00   1.00  
Yes 1.10 0.91-1.32 1.22 1.00-1.46
Occupational stress     
High job demand     
Low 1.00   1.00  
High 1.98 1.74-2.25 1.82 1.59-2.09
Insufficient job control     
Low 1.00   1.00  
High 0.90 0.80-1.02 0.93 0.82-1.05
Inadequate social support     
Low 1.00   1.00  
High 1.13 1.00-1.27 1.10 0.97-1.26
Job insecurity     
Low 1.00   1.00  
High 0.95 0.84-1.07 0.92 0.81-1.04
Lack of reward     
Low 1.00   1.00  
High 1.26 1.12-1.42 1.23 1.08-1.39
  1. *Crude odds ratio.
  2. †Adjusted for age, gender, education, smoking status, hypertension, obesity, depressive symptoms, job type, tenure, and physical, biological/chemical, and ergonomic risk exposure.