Table 1 Psychometric properties of the 3 items disability scale
Convergent validity measure | ||
|---|---|---|
HSC score (N = 46) | Trauma score (N = 63) | |
r | r | |
Disability Scale score | 0.60 | -0.07 |
p < 0.001 | p = 0.60 | |
Known group validity measure (N = 69) | ||
Mean Disability score (SD) | Frequency | |
CMD | 7.80 (4.76) | 5 |
Epilepsy | 6.34 (3.40) | 29 |
Psychosis | 10.83 (2.16) | 35 |
ANOVA p < 0.001 | ||
Internal consistency (N = 81) | ||
Cronbach's alpha | ||
Disability Scale | 0.95 |