Psychometric Properties
Reliability
|
CAHAI-13 |
CAHAI-9 |
CAHAI-8 |
CAHAI-7 |
| Test-retest |
0.98 |
0.97 |
0.97 |
0.96 |
| Inter-rater |
0.98 |
0.98 |
0.98 |
0.98 |
| Internal consistency |
0.98 |
0.95 |
0.95 |
0.95 |
Cross-sectional convergent validity coefficients for 2 versions of the Chedoke Arm and Hand Activity Inventory (CAHAI-13 and CAHAI-9) and the Action Research Arm Test (ARAT)
Initial Assessment
(n=105) |
Follow-up Assessment
(n=100) |
|
CAHAI-13 |
CAHAI-9 |
CAHAI-13 |
CAHAI-9 |
| CAHAI-9 |
0.99 (.98-.99) |
|
0.99 (.98-.99) |
|
| ARAT |
0.93 (.90-.95) |
0.93 (.90-.95) |
0.95 (.93-.97) |
0.95 (.93-.97) |
Longitudinal Validity Analysis for 2 versions of the Chedoke Arm and Hand Activity Inventory (CAHAI-13 and CAHAI-9) and the Action Research Arm Test using ROC curve areas
|
CAHAI-13 |
CAHAI-9 |
ARAT |
| ROC curve areas |
0.86 (95% CI=0.78-0.93) |
0.82 (95% CI=0.73-0.90) |
0.72 (95% CI=0.62-0.83) |