Purpose: This study examines the test-retest reliability, concurrent and discriminant validity of Star excursion balance test (SEBT), One-leg stance (OLS), Functional reach test (FRT), Timed up-and-go test (TUG), and Tandem walking test (TW) in individuals with schizophrenia. Methods: Thirteen participants with schizophrenia who had a history of falls and 13 age-matched controls with schizophrenia who had no history of falls received the five balance assessments battery to establish test-retest reliability. A force platform was administered to examine concurrent validity, while balance assessment performance between fallers and non-fallers was examined for discriminant validity. Conventional receiver operating characteristic curve analysis was used to estimate the optimal cutoff scores. Results: Based on the 95% confidence interval of the intraclass correlation coefficients (ICC), the test-retest reliability was good for SEBT and TUG (ICC = .92 −.99) but poor for TW (eyes open) (ICC = .15 −.74). Concurrent validity with force platform parameters showed a larger amount of significant correlations for SEBT (with r s = −.738∼-.392) and TUG (with r s = .401–.771) and low for OLS (with r s = −.494∼-.398). The discriminant validity was established for SEBT and TUG. The highest area under the curves (AUC &gt;.8) was noted for SEBT and TUG, demonstrating better sensitivity and specificity. The cutoff score for specific assessment was also provided. Conclusion: The SEBT and TUG demonstrated better reliability and validity for examining the balance functions of individuals with schizophrenia. Furthermore, with the larger AUC, the SEBT and TUG showed superior performance in identifying fall risks.

I-Chen Lin

Fu-Chen Chen

Chia-Hsiang Chen

Ming-De Chen

Hong Kong Journal of Occupational Therapy

香港职业治疗杂志是香港职业治疗协会的官方同行评审开放获取出版物。该杂志旨在促进职业治疗 (OT) 理论和实践的发展，并促进教育工作者、研究人员和从业者之间的记录和交流。它还致力于提高 OT 的可用性、使用、支持和卓越性，并保持专业标准，以促进对 OT 的更好理解。

The Hong Kong Journal of Occupational Therapy is the official peer-reviewed open access publication of the Hong Kong Occupational Therapy Association. The journal aims to promote the development of occupational therapy (OT) theory and practice, facilitating communication and documentation among educators, researchers, and practitioners. It is also committed to enhancing the accessibility, utilization, support, and excellence of OT, while maintaining professional standards to foster a better understanding of OT.

《Hong Kong Journal of Occupational Therapy》是香港职业治疗协会的官方同行评审开放获取期刊。该期刊旨在推动职业治疗（OT）理论与实践的发展，并促进教育工作者、研究人员和从业者之间的交流与记录。它还致力于提升职业治疗的可用性、应用、支持和卓越性，并保持专业标准，以增进对职业治疗的理解。

Category	Quartile
医学	4
医学, 康复医学	4

Reliability and validity of five balance assessments battery in individuals with schizophrenia

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