Table 4.
Results of the stepwise multiple regression analysis for health-related quality of life (N = 301).
| Variables | Total HRQOL | PCS | MCS | ||||||
|---|---|---|---|---|---|---|---|---|---|
| B (SE) | t | p | B (SE) | t | p | B (SE) | t | p | |
| Constant | 69.774 (1.821) | 38.313 | <0.001 | 60.592 (0.726) | 87.786 | <0.001 | 77.017 (2.598) | 29.644 | <0.001 |
| DASS-21 Depression | −0.950 (0.158) | −6.029 | <0.001 | ||||||
| DASS-21 Stress | −0.792 (0.106) | −7.457 | <0.001 | −0.474 (0.104) | −4.548 | <0.001 | |||
| Economic status | 3.929 (1.058) | 3.716 | <0.001 | 2.954 (1.041) | −4.548 | <0.001 | 6.045 (1.468) | 4.119 | <0.001 |
| Alcohol | −1.990 (0.779) | −2.556 | 0.011 | −3.162 (1.069) | −2.959 | 0.003 | |||
| PSQI | −0.472 (0.163) | −2.899 | (0.004) | ||||||
| R2 | 0.181 | 0.077 | 0.203 | ||||||
| Adjusted R2 | 0.173 | 0.071 | 0.192 | ||||||
| F | 21.943 | <0.001 | 12.489 | <0.001 | 18.859 | <0.001 | |||
Note. CI, confidence interval, PCS, physical component score; MCS, mental component score; PSQI, Pittsburgh Sleep Quality Index, HRQOL, health-related quality of life.