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.

VariablesAge (year)BMI (kg/m2)IPAQ Total score (MET)Beck anxiety inventory scoreFatigue severity scale scorePSQI Subjective sleep quality
Age (year)1#x00A0;#x00A0;#x00A0;#x00A0;#x00A0;
BMI (kg/m2)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 score0.803
-0.024(r)		0.421
-0.077(r)		0.526
-0.054(r)		1#x00A0;#x00A0;
Fatigue severity scale score0.054
0.184(r)		0.784
-0.026(r)		0.296
-0.164(r)		0.000**
0.445(r)		1#x00A0;
PSQI subjective sleep quality0.663
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 latency0.686
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 duration0.547
-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 efficiency0.514
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 disturbances0.428
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 medication0.652
-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 dysfunction0.259
-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 score0.835
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