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Table 3 Adjusted odds ratios for depression deterioration by occupational stress level at baseline and occupational stress change among non-depressed group (n = 512)

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 1.00 Reference 1.00 Reference   
 2nd quartile 1.612* 1.025–2.536 1.583 0.977–2.564   
 3rd quartile 2.653‡ 1.594–4.416 2.513‡ 1.459–4.331   
 4th quartile 2.626† 1.404–4.911 2.730† 1.389–5.363   
Occupational stress change a
 Total score 1.044‡ 1.024–1.064 1.039‡ 1.018–1.062 1.087‡ 1.058–1.117
 Job demand 1.018† 1.007–1.030 1.025‡ 1.014–1.037 1.050‡ 1.034–1.065
 Insufficient job control 1.018† 1.005–1.031 1.016* 1.003–1.029 1.032‡ 1.016–1.048
 Interpersonal conflict 1.014* 1.000–1.028 0.999 0.987–1.011 1.008 0.993–1.023
 Job insecurity 1.011* 1.002–1.021 1.006 0.998–1.015 1.015† 1.005–1.025
 Organizational system 1.020† 1.007–1.033 1.018† 1.004–1.031 1.037‡ 1.021–1.053
 Lack of reward 1.032‡ 1.017–1.047 1.007 0.995–1.019 1.028‡ 1.013–1.043
 Occupational climate 1.018† 1.003–1.030 1.016* 1.003–1.029 0.999 0.984–1.014
  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 2015 KOSS score from 2016 KOSS score
  5. *p < 0.05, †p < 0.01, ‡p < 0.001