Table 2.
Results of psychometric and Rasch analyses for the domains of the ATAQ-IPF.
| Domain | Items (N) | Domain-Total Correlation (p value) |
Internal Consistency Reliability* | Rasch Model Reliability |
|---|---|---|---|---|
| Cough | 6 | 0.38 (0.0002) |
0.92 | 0.83 |
| Dyspnea | 6 | 0.71 (<0.0001) |
0.87 | 0.83 |
| Forethought | 5 | 0.67 (<0.0001) |
0.89 | 0.82 |
| Sleep | 6 | 0.46 (<0.0001) |
0.67 | 0.71 |
| Mortality | 6 | 0.42 (<0.0001) |
0.74 | 0.78 |
| Exhaustion | 5 | 0.72 (<0.0001) |
0.79 | 0.8 |
| Emotional Well-being | 7 | 0.68 (<0.0001) |
0.85 | 0.82 |
| Social Participation | 5 | 0.65 (<0.0001) |
0.81 | 0.78 |
| Finances | 6 | 0.49 (<0.0001) |
0.9 | 0.67 |
| Independence | 5 | 0.72 (<0.0001) |
0.81 | 0.74 |
| Sexual Health | 5 | 0.48 (<0.0001) |
0.81 | 0.74 |
| Relationships | 6 | 0.6 (<0.0001) |
0.61 | 0.71 |
| Therapies | 6 | 0.19 (0.07) |
0.74 | 0.51 |
| Total | 74 | - | 0.94 | 0.93 |
*Cronbach's coefficient alpha