SIC composite score | Cronbach’s alpha,b cross-sectional study | Cronbach’s alpha,b ENSEMBLE2c | No. of items |
---|---|---|---|
Constitutional | 0.72 | 0.71 | 6 |
Gastrointestinal | 0.69 | 0.71 | 5 |
Musculoskeletal | 0.86 | 0.82 | 3 |
Neurologic | 0.72 | 0.41 | 3 |
Sensory | 0.91 | 0.87 | 2 |
Respiratory | 0.87 | 0.82 | 9 |
Upper respiratory | 0.80 | 0.80 | 4 |
Lower respiratory | 0.84 | 0.75 | 5 |