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Autism screening and conditional cash transfers in Chile: Using the Quantitative Checklist (Q-CHAT) for early autism detection in a low resource setting / Andres ROMAN-URRESTARAZU in Autism, 25-4 (May 2021)
[article]
Titre : Autism screening and conditional cash transfers in Chile: Using the Quantitative Checklist (Q-CHAT) for early autism detection in a low resource setting Type de document : Texte imprimé et/ou numérique Auteurs : Andres ROMAN-URRESTARAZU, Auteur ; Carolina YAÑEZ, Auteur ; Claudia LOPEZ-GARI, Auteur ; Constanza ELGUETA, Auteur ; Carrie ALLISON, Auteur ; Carol BRAYNE, Auteur ; Mónica TRONCOSO, Auteur ; Simon BARON-COHEN, Auteur Article en page(s) : p.932-945 Langues : Anglais (eng) Mots-clés : Chile Chile Crece Contigo Q-chat autism spectrum conditions conditional cash transfer epidemiology health checks screening Index. décimale : PER Périodiques Résumé : Getting a diagnosis of autism can take long, because autism is different across people, but also because it depends on the way it gets diagnosed. This is especially important in poorer countries or in the case of poor people living in wealthier countries that have significant groups of disadvantaged communities. We adapted a 10-item version of the Q-CHAT-25 questionnaire for use in routine health check-ups programme in Chile and recruited 287 participants under the age of three divided into three groups: Controls (125), Developmental Delay (149) and Autism Spectrum Condition (13). Our results show that a short questionnaire for autism screening can be successfully applied in a health-check programme in poor resource settings. Our results show that our questionnaire had good overall performance, not different to its longer version, the Q-CHAT-25. Our questionnaire was autism specific, with good sensitivity and reliability, and is suitable to be used in a screening setting. This study provides evidence that the implementation of Autism Spectrum Condition screening programmes using the Q-CHAT-10 provides value for money and improves diagnosis of Autism Spectrum Condition in those participating in routine health check-up programmes in developing countries or poor areas of wealthy countries. En ligne : http://dx.doi.org/10.1177/1362361320972277 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=444
in Autism > 25-4 (May 2021) . - p.932-945[article] Autism screening and conditional cash transfers in Chile: Using the Quantitative Checklist (Q-CHAT) for early autism detection in a low resource setting [Texte imprimé et/ou numérique] / Andres ROMAN-URRESTARAZU, Auteur ; Carolina YAÑEZ, Auteur ; Claudia LOPEZ-GARI, Auteur ; Constanza ELGUETA, Auteur ; Carrie ALLISON, Auteur ; Carol BRAYNE, Auteur ; Mónica TRONCOSO, Auteur ; Simon BARON-COHEN, Auteur . - p.932-945.
Langues : Anglais (eng)
in Autism > 25-4 (May 2021) . - p.932-945
Mots-clés : Chile Chile Crece Contigo Q-chat autism spectrum conditions conditional cash transfer epidemiology health checks screening Index. décimale : PER Périodiques Résumé : Getting a diagnosis of autism can take long, because autism is different across people, but also because it depends on the way it gets diagnosed. This is especially important in poorer countries or in the case of poor people living in wealthier countries that have significant groups of disadvantaged communities. We adapted a 10-item version of the Q-CHAT-25 questionnaire for use in routine health check-ups programme in Chile and recruited 287 participants under the age of three divided into three groups: Controls (125), Developmental Delay (149) and Autism Spectrum Condition (13). Our results show that a short questionnaire for autism screening can be successfully applied in a health-check programme in poor resource settings. Our results show that our questionnaire had good overall performance, not different to its longer version, the Q-CHAT-25. Our questionnaire was autism specific, with good sensitivity and reliability, and is suitable to be used in a screening setting. This study provides evidence that the implementation of Autism Spectrum Condition screening programmes using the Q-CHAT-10 provides value for money and improves diagnosis of Autism Spectrum Condition in those participating in routine health check-up programmes in developing countries or poor areas of wealthy countries. En ligne : http://dx.doi.org/10.1177/1362361320972277 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=444 Autism screening at 18 months of age: a comparison of the Q-CHAT-10 and M-CHAT screeners / R. STURNER in Molecular Autism, 13 (2022)
[article]
Titre : Autism screening at 18 months of age: a comparison of the Q-CHAT-10 and M-CHAT screeners Type de document : Texte imprimé et/ou numérique Auteurs : R. STURNER, Auteur ; B. HOWARD, Auteur ; P. BERGMANN, Auteur ; S. ATTAR, Auteur ; L. STEWART-ARTZ, Auteur ; K. BET, Auteur ; Carrie ALLISON, Auteur ; Simon BARON-COHEN, Auteur Article en page(s) : 2p. Langues : Anglais (eng) Mots-clés : Autism screening Developmental screening M-chat Q-CHAT Primary Care and its for-profit subsidiary, CHADIS, Inc. CHADIS, the web-tool used in the study was developed by Dr. Sturner and his spouse, Dr. Howard. Dr. Sturner is Director of the Center and Dr. Howard is President of CHADIS, Inc. Both are members of the Board of Directors of Center and are paid employees or consultants to both entities. The other authors have indicated they have no financial relationships relevant to this article to disclose. Index. décimale : PER Périodiques Résumé : BACKGROUND: Autism screening is recommended at 18- and 24-month pediatric well visits. The Modified Checklist for Autism in Toddlers-Revised (M-CHAT-R) authors recommend a follow-up interview (M-CHAT-R/F) when positive. M-CHAT-R/F may be less accurate for 18-month-olds than 24-month-olds and accuracy for identification prior to two years is not known in samples that include children screening negative. Since autism symptoms may emerge gradually, ordinally scoring items based on the full range of response options, such as in the 10-item version of the Quantitative Checklist for Autism in Toddlers (Q-CHAT-10), might better capture autism signs than the dichotomous (i.e., yes/no) items in M-CHAT-R or the pass/fail scoring of Q-CHAT-10 items. The aims of this study were to determine and compare the accuracy of the M-CHAT-R/F and the Q-CHAT-10 and to describe the accuracy of the ordinally scored Q-CHAT-10 (Q-CHAT-10-O) for predicting autism in a sample of children who were screened at 18 months. METHODS: This is a community pediatrics validation study with screen positive (n?=?167) and age- and practice-matched screen negative children (n?=?241) recruited for diagnostic evaluations completed prior to 2 years old. Clinical diagnosis of autism was based on results of in-person diagnostic autism evaluations by research reliable testers blind to screening results and using the Autism Diagnostic Observation Schedule-Second Edition (ADOS-2) Toddler Module and Mullen Scales of Early Learning (MSEL) per standard guidelines. RESULTS: While the M-CHAT-R/F had higher specificity and PPV compared to M-CHAT-R, Q-CHAT-10-O showed higher sensitivity than M-CHAT-R/F and Q-CHAT-10. LIMITATIONS: Many parents declined participation and the sample is over-represented by higher educated parents. Results cannot be extended to older ages. CONCLUSIONS: Limitations of the currently recommended two-stage M-CHAT-R/F at the 18-month visit include low sensitivity with minimal balancing benefit of improved PPV from the follow-up interview. Ordinal, rather than dichotomous, scoring of autism screening items appears to be beneficial at this age. The Q-CHAT-10-O with ordinal scoring shows advantages to M-CHAT-R/F with half the number of items, no requirement for a follow-up interview, and improved sensitivity. Yet, Q-CHAT-10-O sensitivity is less than M-CHAT-R (without follow-up) and specificity is less than the two-stage procedure. Such limitations are consistent with recognition that screening needs to recur beyond this age. En ligne : http://dx.doi.org/10.1186/s13229-021-00480-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=459
in Molecular Autism > 13 (2022) . - 2p.[article] Autism screening at 18 months of age: a comparison of the Q-CHAT-10 and M-CHAT screeners [Texte imprimé et/ou numérique] / R. STURNER, Auteur ; B. HOWARD, Auteur ; P. BERGMANN, Auteur ; S. ATTAR, Auteur ; L. STEWART-ARTZ, Auteur ; K. BET, Auteur ; Carrie ALLISON, Auteur ; Simon BARON-COHEN, Auteur . - 2p.
Langues : Anglais (eng)
in Molecular Autism > 13 (2022) . - 2p.
Mots-clés : Autism screening Developmental screening M-chat Q-CHAT Primary Care and its for-profit subsidiary, CHADIS, Inc. CHADIS, the web-tool used in the study was developed by Dr. Sturner and his spouse, Dr. Howard. Dr. Sturner is Director of the Center and Dr. Howard is President of CHADIS, Inc. Both are members of the Board of Directors of Center and are paid employees or consultants to both entities. The other authors have indicated they have no financial relationships relevant to this article to disclose. Index. décimale : PER Périodiques Résumé : BACKGROUND: Autism screening is recommended at 18- and 24-month pediatric well visits. The Modified Checklist for Autism in Toddlers-Revised (M-CHAT-R) authors recommend a follow-up interview (M-CHAT-R/F) when positive. M-CHAT-R/F may be less accurate for 18-month-olds than 24-month-olds and accuracy for identification prior to two years is not known in samples that include children screening negative. Since autism symptoms may emerge gradually, ordinally scoring items based on the full range of response options, such as in the 10-item version of the Quantitative Checklist for Autism in Toddlers (Q-CHAT-10), might better capture autism signs than the dichotomous (i.e., yes/no) items in M-CHAT-R or the pass/fail scoring of Q-CHAT-10 items. The aims of this study were to determine and compare the accuracy of the M-CHAT-R/F and the Q-CHAT-10 and to describe the accuracy of the ordinally scored Q-CHAT-10 (Q-CHAT-10-O) for predicting autism in a sample of children who were screened at 18 months. METHODS: This is a community pediatrics validation study with screen positive (n?=?167) and age- and practice-matched screen negative children (n?=?241) recruited for diagnostic evaluations completed prior to 2 years old. Clinical diagnosis of autism was based on results of in-person diagnostic autism evaluations by research reliable testers blind to screening results and using the Autism Diagnostic Observation Schedule-Second Edition (ADOS-2) Toddler Module and Mullen Scales of Early Learning (MSEL) per standard guidelines. RESULTS: While the M-CHAT-R/F had higher specificity and PPV compared to M-CHAT-R, Q-CHAT-10-O showed higher sensitivity than M-CHAT-R/F and Q-CHAT-10. LIMITATIONS: Many parents declined participation and the sample is over-represented by higher educated parents. Results cannot be extended to older ages. CONCLUSIONS: Limitations of the currently recommended two-stage M-CHAT-R/F at the 18-month visit include low sensitivity with minimal balancing benefit of improved PPV from the follow-up interview. Ordinal, rather than dichotomous, scoring of autism screening items appears to be beneficial at this age. The Q-CHAT-10-O with ordinal scoring shows advantages to M-CHAT-R/F with half the number of items, no requirement for a follow-up interview, and improved sensitivity. Yet, Q-CHAT-10-O sensitivity is less than M-CHAT-R (without follow-up) and specificity is less than the two-stage procedure. Such limitations are consistent with recognition that screening needs to recur beyond this age. En ligne : http://dx.doi.org/10.1186/s13229-021-00480-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=459