From: Validation of the severe respiratory insufficiency questionnaire for Chile
SRI dimensions | Number of items | ICC (95% CI) SRI Chile | Cronbach’s α SRI Chile | Cronbach’s α SRI Germany | Cronbach’s α SRI Spain |
---|---|---|---|---|---|
Respiratory complaints (RC) | 8 | 0.84 (0.63–0.94) | 0.84 | 0.83 | 0.81 |
Physical functioning (PF) | 6 | 0.94 (0.85–0.98) | 0.73 | 0.80 | 0.82 |
Attendant symptoms and sleep (AS) | 7 | 0.91 (0.78–0.96) | 0.71 | 0.76 | 0.73 |
Social relationships (SR) | 6 | 0.92 (0.80–0.97) | 0.72 | 0.73 | 0.63 |
Anxiety (AX) | 5 | 0.95 (0.87–0.98) | 0.78 | 0.79 | 0.73 |
Psychosocial well-being (WB) | 9 | 0.93 (0.83–0.97) | 0.82 | 0.89 | 0.85 |
Social functioning (SF) | 8 | 0.91 (0.77–0.96) | 0.80 | 0.84 | 0.82 |
SRI global (summary scale) | 49 | 0.97 (0.92–0.99) | 0.95 | 0.89 | 0.93 |