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Table 5 Adjusted odds ratios for depression alleviation by occupational stress level at baseline and occupational stress change among depressed group (n = 524)

From: Effects of changes in occupational stress on the depressive symptoms of Korean workers in a large company: a longitudinal survey

  Model 1 Model 2 Model 3
OR 95% CI OR 95% CI OR 95% CI
Occupational stress level
 1st quartile 1.025 0.509–2.066 1.190 0.576–2.459   
 2nd quartile 1.274 0.749–2.166 1.413 0.811–2.461   
 3rd quartile 1.123 0.691–1.826 1.216 0.739–1.999   
 4th quartile 1.000 Reference 1.000 Reference   
Occupational stress change a
 Total score 1.063‡ 1.038–1.090 1.062‡ 1.035–1.089 1.095‡ 1.062–1.128
 Job demand 1.033‡ 1.020–1.045 1.033‡ 1.020–1.046 1.053‡ 1.036–1.071
 Insufficient job control 1.013 0.999–1.028 1.013 0.998–1.028 1.023* 1.005–1.041
 Interpersonal conflict 1.009 0.997–1.022 1.008 0.995–1.022 1.025† 1.007–1.042
 Job insecurity 1.007 0.998–1.016 1.007 0.997–1.016 1.005 0.994–1.016
 Organizational system 1.030‡ 1.015–1.045 1.029‡ 1.014–1.045 1.049‡ 1.030–1.069
 Lack of reward 1.025‡ 1.012–1.039 1.025‡ 1.011–1.039 1.057‡ 1.037–1.077
 Occupational climate 1.007 0.995–1.020 1.006 0.993–1.020 1.011 0.996–1.026
  1. Model 1: Crude model
  2. Model 2: Adjusted for sex, age, smoking history, heavy drinking, adequate physical activity, education, marital status, career, working hours, job task
  3. Model 3: Model 2 + occupational stress score (total or sub-domain) at baseline
  4. aSubtracted 2016 KOSS score from 2015 KOSS score
  5. *p < 0.05, †p < 0.01, ‡p < 0.001