Table 2.
Reliability statistics applied to the selected items of the SFAI.
| ICC3,1 (95% CI) | SEM (score) | MDC (score) | Classification | |
|---|---|---|---|---|
| Item 1 | 0.97 (0.96–0.98) | Na | Na | Excellent reliability |
| Item 2 | 0.95 (0.93–0.97) | Na | Na | Excellent reliability |
| Item 3 | 0.96 (0.94–0.97) | Na | Na | Excellent reliability |
| Item 6 | 0.95 (0.93–0.97) | Na | Na | Excellent reliability |
| Item 7 | 0.97 (0.96–0.98) | Na | Na | Excellent reliability |
| Total SFAI score | 0.98 (0.98–0.99) | 3.28 | 9.09 | Excellent reliability |
ICC, intraclass correlation coefficient; SEM, standard error of mean; MDC, minimal detectable change; Na, not applicable; CI, confidence interval.