Table 3.
Correlation (r) Between DTS, Sleep Disturbance (PSQI), Perceived Job Stressors, PPSR of BJSQ, Social Support of BJSQ, and Satisfaction of BJSQ
| Measures mean ± SD |
DTS score 18.8 ± 3.6 |
PSQI score 5.8 ± 3.5 |
Perceived job stressors of BJSQ 40.6 ± 6.2 |
PPSR of BJSQ 52.4 ± 14.3 |
Social support of BJSQ 19.2 ± 5.4 |
Satisfaction of BJSQ 5.8 ± 1.3 |
|---|---|---|---|---|---|---|
| DTS score | r = −0.240 p < 0.001 |
r = −0.083 p = 0.054 |
r = −0.187 p < 0.001 |
r = −0.064 p = 0.140 |
r = 0.087 p = 0.045 |
|
| PSQI score | r = 0.242 p < 0.001 |
r = 0.498 p < 0.001 |
r = 0.318 p < 0.001 |
r = −0.294 p < 0.001 |
||
| Perceived job stressors of BJSQ | r = 0.440 p < 0.001 |
r = 0.334 p < 0.001 |
r = −0.375 p < 0.001 |
|||
| PPSR of BJSQ | r = 0.368 p < 0.001 |
r = −0.430 p < 0.001 |
||||
| Social support of BJSQ | r = −0.566 p < 0.001 |
Notes: For satisfaction of BJSQ, high scores indicate high satisfaction. For other subitems of BJSQ, higher the total score, the higher the stress.
Abbreviations: DTS, Diurnal Type Scale; PSQI, Pittsburgh Sleep Quality Index; BJSQ, Brief Job Stress Questionnaire; PPSR, psychological and physical stress response.