Table 5.
Correlation analysis of sleep scale scores and WRSI, length of employment, and psychological characteristics (n=34).
| Parameters | PSQI total | ESS total | ISI | |
|---|---|---|---|---|
| WRSI | rs | 0.541 | 0.310 | 0.357 |
| p-value | <0.001 | 0.010 | 0.004 | |
| Years of employment | rs | 0.151 | 0.186 | 0.090 |
| p-value | 0.215 | 0.126 | 0.464 | |
| BAI | rs | 0.507 | 0.496 | 0.430 |
| p-value | <0.001 | <0.001 | <0.001 | |
| BDI | rs | 0.578 | 0.467 | 0.541 |
| p-value | <0.001 | <0.001 | <0.001 | |
PSQI: Pittsburgh sleep quality index; WRSI: Work-related strain inventory; ESS: Epworth sleepiness scale; ISI: Insomnia severity index; BAI: Beck anxiety inventory; BDI: Beck depression inventory. Top row indicates correlation coefficients, bottom row indicates p-values.