Table 5.
Correlation coefficients and significant levels of PSQI and SF-36 scores
| PF | PRS | P | GH | V | SF | ERS | MH | |
|---|---|---|---|---|---|---|---|---|
| SSQ | −0.311** | −0.299* | −0.254* | −0.135 | −0.253* | −0.340** | −0.205 | −0.111 |
| SL | −0.191 | −0.111 | −0.134 | −0.001 | −0.120 | −0.176 | −0.123 | −0.033 |
| SDUR | −0.101 | −0.317** | −0.142 | −0.211 | −0.225 | −0.340** | −0.249* | −0.058 |
| HSE | 0.052 | 0.086 | 0.003 | 0.067 | 0.155 | −0.243 | 0.048 | 0.186 |
| SDIS | −0.462** | −0.286* | −0.347** | −0.426** | −0.324** | −0.496** | −0.285* | −0.187 |
| USM | −0.266* | −0.090 | −0.268* | −0.164 | −0.187 | −0.097 | −0.034 | −0.024 |
| DD | −0.316** | −0.373** | −0.266* | −0.324** | −0.312** | −0.408** | −0.429** | −0.217 |
| PSQI | −0.305* | −0.292* | −0.294* | −0.209 | −0.313** | −0.419** | −0.239* | −0.091 |
*
p<0.05,
**
p<0.01.
PF: physical functionality; PRS: physical role limitations; P: pain; GH: general health; V: vitality; SF: social functionality; ERS: emotional role limitations; MH: mental health; SSQ: subjective sleep quality; SL: sleep latency; SDUR: sleep duration; HSE: habitual sleep efficiency; SDIS: sleep disturbance; USM: use of sleeping medication; DD: daytime dysfunction; PSQI: Pittsburg Sleep Quality Index