Table 2.

Cronbach’s α of the Mongolian version of WHOQOL-BREF (n=301)

Components	Mean ± standard deviation	Corrected item-total correlation	Cronbach’s α
Perception on quality of life	3.9±0.8	0.626	0.920
Perception on general health	3.7±0.9	0.581	0.921
Domain 1: Physical*	60.9±17.1	0.666	0.871
Domain 2: Psychological*	73.1±16.1	0.810	0.816
Domain 3: Social*	69.9±17.7	0.662	0.874
Domain 4: Environment*	68.9±16.1	0.822	0.811
WHOQOL-BREF (overall)			0.804

*Score ranges from 0 to 100