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Factor structure of the Korean version of the Beck Anxiety Inventory: An application of confirmatory factor analysis in psychiatric patients

Abstract

Despite several factor-analytic studies of the Beck Anxiety Inventory(BAI), the number of factors and the specific items composing them are not entirely consistent. This study evaluated the fit of six competing models to data provided by a sample of 203 psychiatric patients to examine the factor structure of a Korean version of the BAI using confirmatory factor analysis. The modified hierarchical four-factor model fit the data well, whereas the other existing six models didn't. The finding suggests that the Korean BAI, like the original BAI, is hierarchically structured, with correlated first-order factors of subjective, neurophysiological, autonomic, and panic symptoms loading on a single second-order factor of general anxiety. It also indicated that they may be slightly different in the constellations of symptoms that make up the first-order factors. The reasons for the difference were discussed in terms of both the way Koreans experience or interpret anxiety and the possible errors in translation of some BAI items into Korean.

keywords
한국판 BAI, 요인구조, 확인적 요인분석, 수정된 위계적 4 요인모형, Korean version of the BAI, factor structure, confirmatory factor analysis, modified hierarchicalfour-factor model.

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