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

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

	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

Model 1: Crude model
Model 2: Adjusted for sex, age, smoking history, heavy drinking, adequate physical activity, education, marital status, career, working hours, job task
Model 3: Model 2 + occupational stress score (total or sub-domain) at baseline
^aSubtracted 2016 KOSS score from 2015 KOSS score
*p < 0.05, †p < 0.01, ‡p < 0.001

ISSN: 2052-4374