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Table 3 Internal consistency for each domain in WHOQOL-BREF in relation to previous psychometric testing of WHOQOL-100 and WHOQOL-BREF

From: Psychometric properties of the WHOQOL-BREF among next of kin to older persons in nursing homes

Domain Swedish WHOQOL-BREF (N = 254)
Cronbach’s alpha
WHOQOL-BREFa
Cronbach’s alpha
WHOQOL-100a
Cronbach’s alpha
Physical .86 .80 .86
Psychological .82 .76 .82
Social relationships .77b .66 .73
Environment .80 .85 .85
  1. aThe WHO-Group (1998)
  2. bOnly two items, therefore Cronbach’s alpha may not be reliable