Objective To develop the Checklist for Chinese Infants with Autism (CHCIA) for children aged 12-24 months,and to test its reliability and validity. Methods A total of 60 children in case group(including autism children and children with language development retardation) and 60 normal children were selected in northern,southern,western,eastern and southwest of China from November 2016 to May 2018.All participants were assessed with CHICA and case group were reassessed in one week,re-test reliability was analyzed by the correlation of the two results.Meantime,5 369 children were screened with CHICIA in the child health care clinic in Beijing,Shenzhen,Qingdao,Xi'an,Chonqging and Guiyang. Children who scored more than the critical value were followed up till 2 years old. Results Coefficients of the test-retest reliability and evaluator consistency were both more than 0.9. There were significant differences on CHCIA scores in each dimension among autism group,development retardation group and normal group,indicating good discriminate validity of the scale. When critical value for screening was set up as J,diagnostic value as Z,the sensitivity,specificity,and positive predictive value all reached ideal state. Finally 15 children sreened as autism by CHICA were diagnosed with autism in the follow-up,indicating the criterion validity of CHICA was good. Conclusions The CHICA scale is well designed with good reliability,validity and criterion validity,and is qualified as a screening and diagnostic tool for autism children. Meantime,it has few items and is easy to use,which can be widely used in clinics.
Key words
the Checklist for Chinese Infants with Autism /
autism /
reliability /
validity
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