Reliability and validity of the Chinese version of the Test for Respiratory and Asthma Control in Kids (TRACK) in preschool children with asthma: a prospective validation study

Author:

Zhang JingORCID,Zhao Liebin,Zhao Deyu,Chen Zhimin,Li Shenghui,Zhang Hao,Zhang Lei,Yuan ShuHua,Tang Mingyu,Wu YuFen,Zhong Wenwei,Xu Juan,Zhao Li Xia,Liu Shi Ying,Hong Jianguo,Yin Yong

Abstract

ObjectiveThe limited existing asthma control questionnaires that are available for children 5 years of age or younger in China mostly assess only the impairment domain of asthma control. Here, the English version of the Test for Respiratory and Asthma Control in Kids (TRACK) was translated into Chinese and validated for its application in asthma control in preschool children.DesignProspective validation study.Setting and participantsA total of 321 Chinese preschool children suffering from asthma completed the study from December 2017 to February 2018.MethodThe TRACK translation into Chinese employed the translation and back translation technique. The caregivers of the preschool children with asthma symptoms completed TRACK during two clinical visits over 4–6 weeks. Moreover, the physicians completed a Global Initiative for Asthma (GINA)-based asthma control survey at both visits. The utility of TRACK for assessing the change in asthma control status and its reliability and discriminant validity were evaluated.ResultsThe Chinese version of TRACK showed internal consistency reliability values of 0.63 and 0.71 at each visit, respectively (Cronbach’s α). The test–retest reliability was 0.62 for individuals whose GINA-based assessment results were the same at both visits (n=206). The TRACK scores for the children in the various asthma control categories were significantly different (p<0.001). Children recommended for increased treatment by the physicians had lower TRACK scores than those recommended for no change in treatment or decreased treatment (p<0.001).ConclusionThe study verifies the validity and reliability of the Chinese version of TRACK. Changes in the TRACK scores effectively reflected the level of asthma control in preschool children and guided further treatment strategies.Trial registration numberNCT02649803

Publisher

BMJ

Subject

General Medicine

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