Adaptation and psychometric evaluation of the simplified Chinese version of the identification of functional ankle instability questionnaire in Chinese-speaking patients with chronic ankle instability disorders

Table 2 The internal consistency of SC-IdFAI

Items	Corrected Item: total correlation ^a	Cronbach’s α ^b
Overall scale	1.000	0.902
Factor 1	0.882	0.897
Item 5	0.780	0.885
Item 6	0.815	0.880
Item 7	0.743	0.891
Item 10	0.782	0.884
Factor 2	0.725	0.808
Item 2	0.605	0.899
Item 3	0.585	0.904
Item 4	0.678	0.892
Factor 3	0.813	0.721
Item 8	0.690	0.894
Item 9	0.759	0.887

^a Calculated by the Spearman’s correlation coefficient of the subscales or items with total score
^b The Cronbach’s α of each item is calculated the alpha value of overall scale if this item was deleted
SC-IdFAI Simplified Chinese version of the Identification of Functional Ankle Instability questionnaire

ISSN: 1471-2474