• Yongqing Zhao, Chengyun Ding, Yongjun Wang, Zhimei Li, Yong Zhou, and Yuming Huang.
• Comprehensive Epilepsy Centre, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Tiantanxili 6, Chongwen Districts, Beijing 100050, PR China.
• Epilepsy Behav. 2007 Aug 1; 11 (1): 53-9.

ObjectiveThe aim of the work described here was to develop and validate a Chinese version of the Quality of Life in Epilepsy Inventory-89 (QOLIE-89).MethodsThe original English version of the QOLIE-89 was adapted to the Chinese language through a translation-retranslation procedure. The inventory was then completed by 293 adult patients with epilepsy. Forty patients also completed the Chinese version of the QOLIE-31. Test-retest and internal consistency reliabilities, criterion validity, and discriminative validity were assessed.ResultsTest-retest reliability (Pearson's correlation coefficient) for the Chinese version of the QOLIE-89 ranged from 0.70 to 0.98, and internal consistency reliability (Cronbach's alpha) ranged from 0.70 to 0.99. Spearman's rank correlation between the total scores on the Chinese versions of the QOLIE-89 and QOLIE-31 was 0.97, and domain scores ranged from 0.86 to 1.00. QOLIE-89 items could be used to discriminate between patients with respect to epileptic seizure severity and antiepileptic drug side effects.ConclusionThe psychometric properties of the Chinese version of the QOLIE-89 are good and similar to those of the American version and can be applied to assess quality of life in adult patients with epilepsy in China.

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