Table 3 Internal consistency and discriminatory power of the Brazilian-version Kidscreen 27 instrument (n = 816)
From: Psychometric analysis of the Brazilian-version Kidscreen-27 questionnaire
HRQoL dimension | Internal Consistency | % Floor | % Ceiling | Discrimination power | |
|---|---|---|---|---|---|
Alpha | Ômega | ||||
Physical Well-being | 0.82 | 0.84 | 0.5 | 2.7 | 0.97 (0.96–0.97) |
Psychological Well-being | 0.88 | 0.91 | 0.3 | 5.0 | 0.98 (0.97–0.98) |
Autonomy and Parent relation | 0.77 | 0.84 | 0.1 | 3.0 | 0.97 (0.96–0.97) |
Social Support and Peers | 0.78 | 0.84 | 0.1 | 16.0 | 0.94 (0.93–0.94) |
School environment | 0.76 | 0.82 | 0.1 | 4.2 | 0.95 (0.94–0.95) |