Abstract

The purpose of this study was to explore the psychometric properties of the Chinese version of the autism spectrum rating scale (ASRS). We recruited 1,625 community-based children and 211 autism spectrum disorder (ASD) cases from 4 sites, and the parents of all participants completed the Chinese version of the ASRS. A robust weighted least squares means and variance adjusted estimator was used for exploratory factor analysis. The 3-factor structure included 59 items suitable for the current sample. The item reliability for the modified Chinese version of the ASRS (MC-ASRS) was excellent. Moreover, with 60 as the cut-off point, receiver operating characteristic analysis showed that the MC-ASRS had excellent discriminate validity, comparable to that of the unmodified Chinese version (UC-ASRS), with area under the curve values of 0.952 (95% CI: 0.936–0.967) and 0.948 (95% CI: 0.930–0.965), respectively. Meanwhile, the confirm factor analysis revealed that MC-ASRS had a better construct validity than UC-ASRS based on the above factor solution in another children sample. In conclusion, the MC-ASRS shows better efficacy in epidemiological screening for ASD in Chinese children.

Highlights

  • Autism spectrum disorder (ASD) is a group of heterogeneous neurodevelopmental disorders characterized by deficits in social interaction and reciprocal communication, as well as restricted and repetitive interests and behaviors [1]

  • We demonstrated that the Chinese version of the Autism Spectrum Rating Scale (ASRS) is a useful instrument for screening autism in Chinese children

  • The results revealed that this modified Chinese version (MC-ASRS) had a better construct validity than the unmodified version (UC-ASRS) [28]

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Summary

Introduction

Autism spectrum disorder (ASD) is a group of heterogeneous neurodevelopmental disorders characterized by deficits in social interaction and reciprocal communication, as well as restricted and repetitive interests and behaviors [1]. ASD has become a major worldwide issue in public health because its prevalence has significantly increased in many. Department of Clinical Epidemiology, Children’s Hospital of Fudan University, Shanghai 201102, China. Pediatric Department of Guizhou Provincial People’s Hospital, Guiyang 550002, China. The causes of the progressive increase in the prevalence of ASD are not entirely clear. Potential contributing factors are changes in diagnostic criteria, increased attention within the medical community, and greater awareness among parents [5]. The etiology of autistic conditions remains poorly understood, and the prevalence rate has varied substantially between studies and over time [6, 7]

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