Skip to main content
. 2012 Aug 9;12:630. doi: 10.1186/1471-2458-12-630

Table 2.

Cronbach’s coefficient alpha values by the status of participants for the WHOQOL-BREF TW total scale and four subscales

 
TB Patients
Healthy Referents
All Participants
  (N = 140) (N = 130) (N = 270)
Subscale
 
 
 
Physical
.77
.72
.77
Environmental
.80
.86
.83
Environmental 1
.82
.87
.85
Psychological
.81
.71
.76
Social Relationship
.61
.53
.58
Social Relationship2
.64
.58
.61
Total Scale
 
 
 
Version 1 (24 items)
.92
.91
.92
Version 2 (26 items)
.92
.92
.92
Version 3 (28 items) .93 .93 .93

Note. Environmental1 subscale includes eight generic items and one national item. Social relationship2 subscale includes three generic items and one national item. Total scale (Version 1) only includes 24 generic items. Total scale (Version 2) includes 24 generic items and two global items. Total scale (Version 3) includes 24 generic items, two global items and two national items.