Reliability and validity of the Chinese version of the Quantitative Checklist for Autism in Toddlers

XIAO Ting; XIAO Xiang; CHU Kang-kang; KE Xiao-yan

doi:10.11852/zgetbjzz2021-0484

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Chinese Journal of Child Health Care ›› 2022, Vol. 30 ›› Issue (4) : 381-385. DOI: 10.11852/zgetbjzz2021-0484

Original Articles

Reliability and validity of the Chinese version of the Quantitative Checklist for Autism in Toddlers

XIAO Ting, XIAO Xiang, CHU Kang-kang, KE Xiao-yan

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Abstract

Objective To assess the reliability and validity of the Chinese version of the Quantitative Checklist for autism in toddlers (Q-CHAT), so as to provide an appropriate tool for early screening of autism spectrum disorder(ASD). Methods From July 2019 to January 2020, a total of 91 18- to 48-month-old ASD children diagnosed by DSM-5, alongside 45 age-matched individuals with other developmental disabilities (DD) and 60 typically developed (TD) children were screened by the Q-CHAT and Childhood Autism Rating Scale (CARS). Results The test-retest reliability was satisfactory (r=0.89).In addition, the Cronbach's α coefficient for internal reliability was 0.67(P<0.05).The Q-CHAT score was significantly correlated with the total CARS score (r=0.44, P<0.001).And correlation coefficients of 0.22—0.60 were obtained between the Q-CHAT score and total CARS score for various items.ROC analysis of ASD versus unaffected control subjects showed an area under the curve of 0.87, yielding maximum sensitivity (0.71) and specificity (0.92) with a cutoff of 45 points.Q-CHAT scores were significantly higher in ASD children compared with control children(t=9.42, P＜0.01), revealing sufficient discriminant validity. Conclusion Chinese version of Q-CHAT can be used for early screening of ASD children in urban Mandarin Chinese speaking populations with acceptable reliability and validity.

Key words

autism spectrum disorder / Quantitative Checklist for Autism in Toddlers / reliability / validity / infants and toddlers

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XIAO Ting, XIAO Xiang, CHU Kang-kang, KE Xiao-yan. Reliability and validity of the Chinese version of the Quantitative Checklist for Autism in Toddlers[J]. Chinese Journal of Child Health Care. 2022, 30(4): 381-385 https://doi.org/10.11852/zgetbjzz2021-0484

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