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Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder

The Thai Diagnostic Autism Scale (TDAS) was developed for use as a diagnostic tool for the early diagnosis of Autism Spectrum Disorder (ASD) in Thai children aged 12–48 months old. TDAS consists of 23 items (13 and 17 items in the observational and interview sections, respectively) classified into s...

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Autores principales: Tangviriyapaiboon, Duangkamol, Sirithongthaworn, Samai, Apikomonkon, Hataichanok, Suyakong, Chidawan, Srikummoon, Pimwarat, Kawilapat, Suttipong, Traisathit, Patrinee
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley & Sons, Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297913/
https://www.ncbi.nlm.nih.gov/pubmed/34697914
http://dx.doi.org/10.1002/aur.2631
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author Tangviriyapaiboon, Duangkamol
Sirithongthaworn, Samai
Apikomonkon, Hataichanok
Suyakong, Chidawan
Srikummoon, Pimwarat
Kawilapat, Suttipong
Traisathit, Patrinee
author_facet Tangviriyapaiboon, Duangkamol
Sirithongthaworn, Samai
Apikomonkon, Hataichanok
Suyakong, Chidawan
Srikummoon, Pimwarat
Kawilapat, Suttipong
Traisathit, Patrinee
author_sort Tangviriyapaiboon, Duangkamol
collection PubMed
description The Thai Diagnostic Autism Scale (TDAS) was developed for use as a diagnostic tool for the early diagnosis of Autism Spectrum Disorder (ASD) in Thai children aged 12–48 months old. TDAS consists of 23 items (13 and 17 items in the observational and interview sections, respectively) classified into seven domains (A1–A3 and B1–B4) according to the criteria in the Diagnostic and Statistical Manual of Mental Disorder, fifth edition (DSM‐5). Children with a single score in the A1–A3 domains and at least two of the B1–B4 domains were classified with ASD. The item‐objective congruence (IOC) index, confirmatory factor analysis, and Kappa coefficient were used to evaluate the content, constructs, and inter‐rater validity levels between the evaluators and concurrent validity between TDAS and physicians' diagnoses, respectively. TDAS showed good overall content validity (IOC range 0.71–1.00), suitable construct validity (root‐mean‐squared errors of approximation of 0.076 and 0.067, comparative fit indexes of 0.902 and 0.858, and Tucker‐Lewis indexes of 0.882 and 0.837 for the observation and interview sections, respectively), and excellent diagnostic agreement between TDAS and the evaluators (Kappa = 1.000) as well as between TDAS and the physicians' diagnoses (Kappa = 0.871). The sensitivity and specificity of TDAS were 100% and 82.4%, respectively. In conclusion, TDAS yielded a high level of content validity, concurrent validity, and inter‐rater reliability for the early diagnosis of ASD in Thai children. A large‐scale study using TDAS is needed to determine an appropriate cut‐off point as well as its efficacy. LAY SUMMARY: The Thai Diagnostic Autism Scale was developed for use as a diagnostic tool for the early diagnosis of Autism Spectrum Disorder (ASD) among Thai children. It contains 23 items in seven domains for the screening via observations and interviews. The psychometric properties of this diagnostic tool provide its reliability and suitability for the early diagnosis of ASD. A large‐scale study using it is needed to determine an appropriate cut‐off point as well as its efficacy.
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spelling pubmed-92979132022-07-21 Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder Tangviriyapaiboon, Duangkamol Sirithongthaworn, Samai Apikomonkon, Hataichanok Suyakong, Chidawan Srikummoon, Pimwarat Kawilapat, Suttipong Traisathit, Patrinee Autism Res EPIDEMIOLOGY The Thai Diagnostic Autism Scale (TDAS) was developed for use as a diagnostic tool for the early diagnosis of Autism Spectrum Disorder (ASD) in Thai children aged 12–48 months old. TDAS consists of 23 items (13 and 17 items in the observational and interview sections, respectively) classified into seven domains (A1–A3 and B1–B4) according to the criteria in the Diagnostic and Statistical Manual of Mental Disorder, fifth edition (DSM‐5). Children with a single score in the A1–A3 domains and at least two of the B1–B4 domains were classified with ASD. The item‐objective congruence (IOC) index, confirmatory factor analysis, and Kappa coefficient were used to evaluate the content, constructs, and inter‐rater validity levels between the evaluators and concurrent validity between TDAS and physicians' diagnoses, respectively. TDAS showed good overall content validity (IOC range 0.71–1.00), suitable construct validity (root‐mean‐squared errors of approximation of 0.076 and 0.067, comparative fit indexes of 0.902 and 0.858, and Tucker‐Lewis indexes of 0.882 and 0.837 for the observation and interview sections, respectively), and excellent diagnostic agreement between TDAS and the evaluators (Kappa = 1.000) as well as between TDAS and the physicians' diagnoses (Kappa = 0.871). The sensitivity and specificity of TDAS were 100% and 82.4%, respectively. In conclusion, TDAS yielded a high level of content validity, concurrent validity, and inter‐rater reliability for the early diagnosis of ASD in Thai children. A large‐scale study using TDAS is needed to determine an appropriate cut‐off point as well as its efficacy. LAY SUMMARY: The Thai Diagnostic Autism Scale was developed for use as a diagnostic tool for the early diagnosis of Autism Spectrum Disorder (ASD) among Thai children. It contains 23 items in seven domains for the screening via observations and interviews. The psychometric properties of this diagnostic tool provide its reliability and suitability for the early diagnosis of ASD. A large‐scale study using it is needed to determine an appropriate cut‐off point as well as its efficacy. John Wiley & Sons, Inc. 2021-10-25 2022-02 /pmc/articles/PMC9297913/ /pubmed/34697914 http://dx.doi.org/10.1002/aur.2631 Text en © 2021 The Authors. Autism Research published by International Society for Autism Research and Wiley Periodicals LLC. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle EPIDEMIOLOGY
Tangviriyapaiboon, Duangkamol
Sirithongthaworn, Samai
Apikomonkon, Hataichanok
Suyakong, Chidawan
Srikummoon, Pimwarat
Kawilapat, Suttipong
Traisathit, Patrinee
Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder
title Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder
title_full Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder
title_fullStr Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder
title_full_unstemmed Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder
title_short Development and psychometric evaluation of a Thai Diagnostic Autism Scale for the early diagnosis of Autism Spectrum Disorder
title_sort development and psychometric evaluation of a thai diagnostic autism scale for the early diagnosis of autism spectrum disorder
topic EPIDEMIOLOGY
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297913/
https://www.ncbi.nlm.nih.gov/pubmed/34697914
http://dx.doi.org/10.1002/aur.2631
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