1.The reliability and validity of the Chinese version of the Ohkuma questionnaire for dysphagia screening
Delian AN ; Cheng YANG ; Huijuan LI ; Yurong CHEN ; Chao LI ; Hongmei WEN ; Zulin DOU ; Zhiming TANG ; Benming GONG ; Mengqing ZHANG ; Miaoxia CHEN
Chinese Journal of Physical Medicine and Rehabilitation 2021;43(12):1069-1072
Objective:To evaluate the reliability and validity of the Chinese version of the Ohkuma questionnaire.Methods:The Ohkuma questionnaire was translated and revised, before it was used to investigate 70 elderly patients. Cronbach′s alpha coefficient, Cohen′s kappa coefficient and Pearson correlation were used to evaluate the scale′s internal reliability, sub-item retest reliability and total score retest reliability. KMO and Bartlett tests were used to evaluate the validity. The correlation between the Chinese version of the Ohkuma questionnaire and ratings from video fluoroscopy before and after treatment was used to evaluate the scale′s discrimination ability.Results:The Cronbach′s alpha of the Chinese version of Ohkuma questionnaire was 0.831, with 0.814 in the initial evaluation and 0.808 in a second evaluation. The Cohen′s kappas of the 15 sub-items ranged from 0.728 to 1.000. The Pearson correlation coefficient of the total score was 0.914. The scale′s KMO value was 0.701. A t-test of the Ohkuma scores before and after treatment showed a statistically significant difference.Conclusion:The revised Chinese Ohkuma questionnaire has good reliability, validity and discriminatory power. It can be used to screen for dysphagia among the elderly.
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