Table 3.

Correlation matrix between the domains of the WHOQOL-BREF Questionnaire

	Physical	Psychological	Level of independence	Social relationship	Environment	Spirituality
Physical	1.000
Psychological	0.595*	1.000
Level of independence	0.677*	0.606*	1.000
Social relationship	0.422*	0.507*	0.441*	1.000
Environment	0.418*	0.549*	0.445*	0.628*	1.000
Spirituality	0.518*	0.434*	0.415*	0.348*	0.377*	1.000

^*Note: p<0.001