From: The relationship between depressive symptoms among female workers and job stress and sleep quality
Variables | Model I | Â | Model II | Â | Model III | Â | Model IV | Â |
---|---|---|---|---|---|---|---|---|
 | B | t | B | t | B | t | B | t |
Age (year) | −0.223 | −6.294* | −0.223 | −6.891* | −0.182 | −5.666* | −0.189 | −6.299* |
Marital status†|  |  |  |  |  |  |  |  |
Unmarried | 2.965 | 7.148* | 2.484 | 6.554* | 1.493 | 3.929* | 1.351 | 3.811* |
Divorced/Widowed | 8.181 | 4.431* | 8.733 | 5.182* | 7.451 | 4.439* | 8.029 | 5.126* |
Education level†| −2.931 | −10.195* | −2.134 | −8.092* | −2.030 | −7.723* | −1.532 | −6.227* |
Alcohol drinking†| 0.469 | 1.669* | 0.643 | 2.507* | −0.044 | −0.172* | 0.187 | 0.782* |
BMI (kg/m2) | 0.196 | 4.389* | 0.171 | 4.189* | 0.091 | 2.243* | 0.089 | 2.333* |
Job tenure (years) | 0.004 | 0.088* | 0.042 | 1.068* | −0.037 | −0.948* | 0.001 | 0.033* |
Job stress (KOSS-SF) | Â | Â | 0.368 | 31.272* | Â | Â | 0.301 | 26.934* |
Sleep Quality (PSQI) | Â | Â | Â | Â | 1.491 | 32.015* | 1.235 | 27.756* |
Constant | 13.102 |  | −4.061 |  | 7.592 |  | −5.524 |  |
F |  51.557* |  |  176.397* |  |  182.709* |  |  267.151* |  |
Adjusted R2 | 0.068* | Â | 0.223* | Â | 0.229* | Â | 0.329* | Â |
R2 change | 0.069* | Â | 0.156* | Â | 0.162* | Â | 0.261* | Â |