Table 2.
Internal validation of the PEmb‐QoL questionnaire
| Dimensions | Missing % ( n ) | Cronbach's α | Floor effects % ( n / N ) | Ceiling effects % ( n / N ) |
|---|---|---|---|---|
| Frequency of complaints (FO) | 6.9% (7) | 0.77 | 25.5% (24/94) | 0% (0/94) |
| Activities of daily living limitations (AD) | 23.8% (24) | 0.90 | 22.1% (17/77) | 3.9% (3/77) |
| Work‐related problems (WR) | 10.9% (11) | 0.91 | 55.6% (50/90) | 21.1% (19/90) |
| Social limitations (SL) | 3.0% (3) | ‐ | 59.2% (58/98) | 2.0% (2/98) |
| Intensity of complaints (IO) | 2.0% (2) | 0.54 | 32.3% (32/99) | 0% (0/99) |
| Emotional complaints (EC) | 8.9% (9) | 0.86 | 12.0% (11/92) | 0% (0/92) |