Table 2.
Floor and ceiling effects as well as Cronbach’s α of the COMOT-15 and ZCMEI-21 total score and subscores
| Ear symptoms | Hearing | Psychosocial impact |
HRQoL | Medical resources | Total score |
||
|---|---|---|---|---|---|---|---|
| COMOT-15 | Questions (n) | 6 | 3 | 4 | 1 | 1 | 13 |
| Floor (n [%]) | 6 (3.5) | 7 (4.0) | 9 (5.2) | 17 (9.8) | 8 (4.6) | 1 (0.6) | |
| Ceiling (n [%]) | 0 (0.0) | 13 (7.5) | 0 (0.0) | 0 (0.0) | 46 (26.6) | 0 (0.0) | |
| α | 0.75 | 0.94 | 0.89 | na | na | 0.89 | |
| ZCMEI-21 | Questions (n) | 5 | 5 | 8 | na | 3 | 21 |
|---|---|---|---|---|---|---|---|
| Floor (n [%]) | 17 (9.8) | 6 (3.4) | 6 (3.4) | na | 40 (23.0) | 1 (0.6) | |
| Ceiling (n [%]) | 0 (0.0) | 1 (0.6) | 0 (0.0) | na | 0 (0.0) | 0 (0.0) | |
| α | 0.71 | 0.73 | 0.84 | na | 0.66 | 0.88 |