Table 4

Correlation matrix table showing the internal consistency of KCAHW questionnaire

Correlation Matrix


D 1A
D 1B
D 2A
D 2B
D 3A
D 3B
D 4A
D 4B
T A
T B

D 1A
1.0000









D 1B
0.9679
1.0000








D 2A
0.3595
0.5230
1.0000







D 2B
0.9207
0.9207
0.6124
1.0000






D 3A
0.7926
0.7360
0.0000
0.7071
1.0000





D 3B
0.7604
0.6397
-0.1231
0.6784
0.9594
1.0000




D 4A
0.9916
0.9326
0.2408
0.8847
0.8341
0.8224
1.0000



D 4B
0.9207
0.9207
0.6124
1.0000
0.7071
0.6784
0.8847
1.0000


T A
0.9885
0.9577
0.3297
0.9231
0.8703
0.8292
0.9867
0.9231
1.0000

T B
0.9805
0.9632
0.4063
0.9520
0.8568
0.8090
0.9698
0.9520
0.9953
1.0000

Number of Cases = 50.0

Reliability Coefficients – 10 items

Alpha = 0.92 Standardized item alpha = 0.97

D – Domains, T – Total, A – First time administration of KCAHW questionnaire

B – Second time administration of KCAHW questionnaire

Bakare et al. Clinical Practice and Epidemiology in Mental Health 2008 4:17   doi:10.1186/1745-0179-4-17