Table 2.
The precision of the questionnaire and its domains (n = 1859).
| Domain | Mean (SD) * | Median (IQR) | Range | Floor Effect (%) |
Ceiling Effect (%) |
Internal Consistency (Cronbach Alpha) |
|---|---|---|---|---|---|---|
| Psychological | 15.54 (3.81) a | 16 (13–18) | 5–25 | 0.8 | 0.3 | 0.728 |
| Social | 14.79 (3.40) b | 15 (12–17) | 5–25 | 0.1 | 0.1 | 0.631 |
| Physical | 17.62 (2.97) c | 18 (16–20) | 5–25 | 0 | 0.4 | 0.424 |
| Economic | 14.64 (4.96) b | 15 (11–18) | 5–25 | 3.4 | 1.4 | 0.754 |
| Total Score | 62.59 (11.54) | 63 (55–71) | 27–96 | 0 | 0 | 0.837 |
* One-way repeated measures ANOVA followed by Bonferroni’s post-hoc tests. Different letters (a, b, c) on the same column represent statistical differences (p < 0.05).