Restricted accessResearch articleFirst published online 2007-3
A Confirmatory Factor Analysis of the Chinese Version of the Loewenstein Occupational Therapy Cognitive Assessment—Second Edition in a Taiwanese Mixed Clinical Sample
The objective of the current study was to determine the factor structure of the Chinese version of the Loewenstein Occupational Therapy Cognitive Assessment—Second Edition (LOTCA-II) in a Taiwanese heterogeneous clinical sample (n = 128). Translation into Chinese (Mandarin) and back-translation into English were performed by three different individuals and adapted by an expert panel, with the primary objective of creating semantic equivalence. Area-level confirmatory factor analysis was used to analyze two models in the total sample. The results indicated that a model with two first-order factors (perceptual memory/praxis and constructional/conceptual function) presents the best fit (chi-square = 5.66, df = 4, p = .23, GFI = .983, AGFI = .938, TLI = .990, CFI = .996, NFI = .987, RMSEA = .057, IFI = .996, SRMR = .02). When a second-order factor (identified with general cognitive abilities) is added to this model, the fit indices are identical to those of the oblique two-factor model. This hierarchical two-factor model was also consistent across subgroups with neurological and schizophrenic disorders. Recommendations were made regarding clinical interpretation of the LOTCA-II using the cognitive model derived from the factor analysis and further validation of the LOTCA-II in other racial or diagnostic groups.
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