Table 2 Psychometric properties of the total score of the Japanese DISABKIDS-Smiley measure for child- and parent-reported versions
DISABKIDS-Smiley | N | Min. | Max. | Mean | SD | Skewness | α | Split-half | ICC* |
|---|---|---|---|---|---|---|---|---|---|
Child-reported version | 60 | 45.8 | 100.0 | 75.2 | 14.7 | −.06 | .66 | .63 | .53 (p = 0.004) |
Child-reported version (retest) | 50 | 41.7 | 100.0 | 72.3 | 15.2 | −.11 | .63 | .60 | |
Parent-reported version | 60 | 33.3 | 100.0 | 71.3 | 16.0 | −.13 | .84 | .81 | .80 (p < 0.001) |
Parent-reported version (retest) | 50 | 20.8 | 100.0 | 70.5 | 14.6 | −.65 | .85 | .88 |