Table 2.

- Correlation analysis results. The relationship between the questionnaire scores used in the evaluation and the patient’s age and body mass index was clarified with the results of the correlation analysis.

Variables	Age (year)	BMI (kg/m2)	IPAQ Total score (MET)	Beck anxiety inventory score	Fatigue severity scale score	PSQI Subjective sleep quality
Age (year)	1	#x00A0;	#x00A0;	#x00A0;	#x00A0;	#x00A0;
BMI (kg/m 2 )	0.000** 0.374(r)	1	#x00A0;	#x00A0;	#x00A0;	#x00A0;
IPAQ total score (MET)	0.003** 0.972(r)	0.398 0.081(r)	1	#x00A0;	#x00A0;	#x00A0;
Beck anxiety inventory score	0.803 -0.024(r)	0.421 -0.077(r)	0.526 -0.054(r)	1	#x00A0;	#x00A0;
Fatigue severity scale score	0.054 0.184(r)	0.784 -0.026(r)	0.296 -0.164(r)	0.000** 0.445(r)	1	#x00A0;
PSQI subjective sleep quality	0.663 0.042(r)	0.394 -0.082(r)	0.498 -0.065(r)	0.000** 0.476(r)	0.000** 0.347(r)	1
PSQI sleep onset latency	0.686 0.039(r)	0.998 0.000(r)	0.500 -0.065(r)	0.000** 0.396(r)	0.215 0.119(r)	0.000** 0.384(r)
PSQI sleep duration	0.547 -0.058(r)	0.158 0.135(r)	0.731 0.033(r)	0.863 -0.017(r)	0.186 -0.127(r)	0.364 0.087(r)
PSQI sleep efficiency	0.514 0.063(r)	0.512 0.063(r)	0.139 -0.141(r)	0.686 0.039(r)	0.817 -0.022(r)	0.265 0.107(r)
PSQI sleep disturbances	0.428 0.076(r)	0.533 0.060(r)	0.538 -0.059(r)	0.000** 0.487(r)	0.054 0.183(r)	0.001** 0.319(r)
PSQI use of sleeping medication	0.652 -0.043(r)	0.613 -0.049(r)	0.613 0.048(r)	0.025* 0.212(r)	0.495 0.065(r)	0.030* 0.206(r)
PSQI daytime dysfunction	0.259 -0.108(r)	0.312 -0.097(r)	0.160 -0.134(r)	0.000** 0.533(r)	0.055 0.183(r)	0.000** 0.495(r)
PSQI total score	0.835 0.020(r)	0.752 0.030(r)	0.354 -0.184(r)	0.000* 0.215(r)	0.039* 0.193(r)	0.000** 0.620(r)
*Correlation is significant at the 0.05 level (2-tailed). **Correlation is significant at the 0.01 level (2-tailed). r: correlation efficient, BMI: body mass index, PSQI: Pittsburgh Sleep Quality Index, MET: metabolic equivalent, BMI: body mass index