Table 3.

Analysis of Sleep Assessments and QoL*

SF-36 (n= 548)	Median	Min, Max	Poor Sleep Quality (p [Coefficient Correlation])	Insomnia (p [Coefficient Correlation])	EDS (p [Coefficient Correlation])	OSA (p [Coefficient Correlation])
Physical Functioning	95.0	0.0, 100.0	0.000 (−0.188)	0.000 (−0.222)	0.293 (−0.078)	0.000 (−0.304)
Role limitation due to physical health	75.0	0.0, 100.0	0.000 (−0.333)	0.000 (−0.265)	0.007 (−0.198)	0.000 (−0.257)
Role limitation due to emotional problems	100.0	0.0, 100.0	0.000 (−0.303)	0.000 (−0.303)	0.026 (−0.164)	0.000 (−0.173)
Energy/fatigue	65.0	0.0, 100.0	0.000 (−0.261)	0.000 (−0.295)	0.076 (−0.131)	0.000 (−0.214)
Emotional well-being	64.0	8.0, 100.0	0.185 (−0.067)	0.003 (−0.160)	0.023 (−0.168)	0.101 (−0.070)
Social functioning	75.0	0.0, 100.0	0.000 (−0.244)	0.000 (−0.332)	0.203 (−0.094)	0.000 (−0.240)
Pain	67.5	0.0, 100.0	0.000 (−0.249)	0.000 (−0.193)	0.000 (−0.275)	0.009 (−0.079)
General health	60.0	0.0, 100.0	0.000 (−0.270)	0.000 (−0.252)	0.350 (−0.070)	0.000 (−0.234)

Note: *Spearman correlation (bold text showed significance, low level of correlation).