Table 2 Summary reliability measures and descriptive statistics for Arabic-COHIP-SF 19 and subscale scores (n = 876)
Descriptive statistics | Overall scale, subscales (No. of Items) | |||
|---|---|---|---|---|
Overall scale | Oral health well-being | Functional well-being | Socio-emotional well-being | |
Mean (SD)b | 61.13 (12.97) | 14.82 (4.58) | 14.31 (3.01) | 32.01 (8.45) |
Range | 4–76 | 0–20 | 0–16 | 0–40 |
Proportion of lowest possible scorea | 0 (0) | 10 (1.1) | 8 (0.9) | 6 (0.7) |
Proportion of highest possible scorea | 59(6.7) | 185 (21.1) | 548 (62.6) | 244 (27.9) |
Cronbach’s alpha | 0.85 | 0.64 | 0.69 | 0.83 |
Alpha if an item is deleted | 0.83–0.86 | 0.57–0.61 | 0.59–0.67 | 0.80–0.85 |