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Initial validation of the Chinese interRAI Mental Health in people with psychiatric illness
Christopher L F Chan1, Claudia K Y Lai, Iris Chi
1Sau Po Centre on Ageing, The University of Hong Kong , Hong Kong.
Objective:
The purpose of this study was to determine the reliability and validity of the Chinese interRAI Mental Health (MH) among people with psychiatric illnesses.
Methods:
Study participants were 157 individuals with psychiatric illnesses living in a psychiatric long-term care facility or halfway house in Hong Kong. The authors prepared the Chinese interRAI MH. A panel of bilingual healthcare professionals examined the quality of the translation. The reliability of the 6 scales embedded in the instrument was examined using Cronbach's alphas, intraclass correlations, and Kappa coefficients. Pearson's product moment correlations, Spearman's order correlations, and independent t-tests were used to determine the concurrent and construct validity of the scales.
Results And Conclusions:
Internal consistency values (α = 0.66-0.95) and test-retest reliability coefficients (ICC = 0.76-0.97; κ = 0.75-1.00) of the scales were found to be satisfactory. All 6 scales correlated significantly with the criterion measures. As expected, 3 scales relating to cognition, activities of daily living (ADL), and instrumental ADL discriminated among individuals living in two types of residential setting. Chinese interRAI MH was found to be a valid and reliable tool useful for the clinicians in Hong Kong.
