• Chen-Yu Kuo, Chun-Hao Liu, Yu-Chen Huang, Sophie Hsin-Yi Liang, Hsiang-Yuan Lin, and Hsing-Chang Ni.
• Department of Psychiatry, New Taipei Municipal TuCheng Hospital, No.6, Sec.2, Jincheng Rd., New Taipei City, 236, Taiwan.
• J Formos Med Assoc. 2024 Nov 26.

BackgroundWhile the Emotion Dysregulation Inventory (EDI) for autistic people has been validated in many Western countries, its psychometric properties have remained unclear in East Asia.MethodsWe translated the EDI into traditional Chinese and evaluated its psychometric properties among autistic children and youth in Taiwan. We enrolled 200 participants (182 male/18 female) aged 7-30 years from five clinical trials and conducted secondary analyses, assessing internal consistency reliability, confirmatory factor analysis, and convergent validity.ResultsOur results showed that the Taiwan version of the EDI had strong internal consistency (Cronbach's alpha are 0.978 and 0.864 for each factor). Confirmatory factor analysis demonstrated acceptable fit of two-factors structure. The Taiwan version of EDI showed good convergent validity with established measurements including the Aberrant Behavior Checklist-Irritability subscale and Child Behavior Checklist-Dysregulation Profile.ConclusionOur findings support the Taiwan version of EDI is a reliable and potentially valid instrument for assessing emotion dysregulation in autistic children and youth in Taiwan.Copyright © 2024 Formosan Medical Association. Published by Elsevier B.V. All rights reserved.

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