| GSI | Positive Symptom Distress Index (PSDI) | Depression | Anxiety | ||||
| r | p | r | p | r | p | r | p |
PSQI total score | 0.592 | 0.000 | 0.514 | 0.000 | 0.469 | 0.000 | 0.432 | 0.000 |
PSQI.1 sleep quality | 0.504 | 0.000 | 0.468 | 0.000 | 0.353 | 0.000 | 0.306 | 0.002 |
PSQI.2 sleep latency | 0.336 | 0.001 | 0.306 | 0.002 | 0.242 | 0.014 | 0.257 | 0.009 |
PSQI.3 sleep duration | 0.208 | 0.036 | 0.140 | 0.163 | 0.142 | 0.157 | 0.167 | 0.094 |
PSQI.4 sleep efficiency | 0.248 | 0.013 | 0.202 | 0.043 | 0.170 | 0.090 | 0.154 | 0.125 |
PSQI.5 sleep disturbances | 0.515 | 0.000 | 0.517 | 0.000 | 0.418 | 0.000 | 0.393 | 0.000 |
PSQI.6 sleep medication | 0.225 | 0.023 | 0.135 | 0.176 | 0.213 | 0.032 | 0.223 | 0.024 |
PSQI.7 daytime sleepiness | 0.556 | 0.000 | 0.521 | 0.000 | 0.532 | 0.000 | 0.394 | 0.000 |