Zhang D, Tian F, Gao W, Huang Y, Huang H, Tan L. The Chinese Short Version of the Activities-Specific Balance Confidence Scale: Its Validity, Reliability, and Predictive Value for Future Falls in Community-Dwelling Older Adults.
Clin Interv Aging 2022;
17:1483-1491. [PMID:
36212511 PMCID:
PMC9541673 DOI:
10.2147/cia.s380921]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 08/24/2022] [Indexed: 11/28/2022] Open
Abstract
Purpose
To examine the reliability and validity of the Chinese short version of the Activities-specific Balance Confidence scale (ABC-6), and its predictive value for prospective falls in community-dwelling older adults.
Patients and Methods
A total of 391 community older adults completed the prospective study. Internal consistency reliability, test-retest reliability, structural validity and discriminant validity were analyzed. To determine the accuracy of ABC-6 total score in predicting falls, a receiver operating characteristic curve analysis was performed, and comparisons with the Activities-specific Balance Confidence scale (ABC-16) and Berg Balance Scale (BBS) were made.
Results
Excellent internal consistency (Cronbach’s α = 0.938) and test-retest reliability (ICC=0.964, 95% CI: 0.947–0.977) were found for the ABC-6. Exploratory factor analysis suggested that ABC-6 had a one-factor structure (explained variance, 68.30%). The optimal cutoff value, sensitivity and specificity of ABC-6 to distinguish fallers from non-fallers was ≤ 60.00%, 70.83% and 84.26%, respectively, and there was no significant difference in the predictive value among the ABC-6, ABC-16, and BBS.
Conclusion
The Chinese version of the ABC-6 scale was a valid and reliable tool for measuring self-perceived balance confidence in community-dwelling older adults, and can be used as an effective assessment tool to predict future falls.
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