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Sensory features in autism: Findings from a large population-based surveillance system / Anne V. KIRBY in Autism Research, 15-4 (April 2022)
[article]
Titre : Sensory features in autism: Findings from a large population-based surveillance system Type de document : Texte imprimé et/ou numérique Auteurs : Anne V. KIRBY, Auteur ; Deborah A. BILDER, Auteur ; Lisa D. WIGGINS, Auteur ; Michelle M. HUGHES, Auteur ; John DAVIS, Auteur ; Jennifer A. HALL-LANDE, Auteur ; Li-Ching LEE, Auteur ; William M. MCMAHON, Auteur ; Amanda V. BAKIAN, Auteur Article en page(s) : p.751-760 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/epidemiology Autistic Disorder/epidemiology Child Ethnicity Female Humans Male Minority Groups Population Surveillance/methods Prevalence autism spectrum disorder children epidemiology logistic models sensory Index. décimale : PER Périodiques Résumé : Sensory features (i.e., atypical responses to sensory stimuli) are included in the current diagnostic criteria for autism spectrum disorder. Yet, large population-based studies have not examined these features. This study aimed to determine the prevalence of sensory features among autistic children, and examine associations between sensory features, demographics, and co-occurring problems in other areas. Analysis for this study included a sample comprised of 25,627 four- or eight-year-old autistic children identified through the multistate Autism and Developmental Disabilities Monitoring Network (2006-2014). We calculated the prevalence of sensory features and applied multilevel logistic regression modeling. The majority (74%; 95% confidence interval: 73.5%-74.5%) of the children studied had documented sensory features. In a multivariable model, children who were male and those whose mothers had more years of education had higher odds of documented sensory features. Children from several racial and ethnic minority groups had lower odds of documented sensory features than White, non-Hispanic children. Cognitive problems were not significantly related to sensory features. Problems related to adaptive behavior, emotional states, aggression, attention, fear, motor development, eating, and sleeping were associated with higher odds of having documented sensory features. Results from a large, population-based sample indicate a high prevalence of sensory features in autistic children, as well as relationships between sensory features and co-occurring problems. This study also pointed to potential disparities in the identification of sensory features, which should be examined in future research. Disparities should also be considered clinically to avoid reduced access to supports for sensory features and related functional problems. LAY SUMMARY: In a large, population-based sample of 25,627 autistic children, 74% had documented differences in how they respond to sensation. We also identified significant associations of sensory features with adaptive behavior and problems in other domains. Sensory features were less common among girls, children of color, and children of mothers with fewer years of education, suggesting potential disparities in identification. En ligne : https://dx.doi.org/10.1002/aur.2670 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=473
in Autism Research > 15-4 (April 2022) . - p.751-760[article] Sensory features in autism: Findings from a large population-based surveillance system [Texte imprimé et/ou numérique] / Anne V. KIRBY, Auteur ; Deborah A. BILDER, Auteur ; Lisa D. WIGGINS, Auteur ; Michelle M. HUGHES, Auteur ; John DAVIS, Auteur ; Jennifer A. HALL-LANDE, Auteur ; Li-Ching LEE, Auteur ; William M. MCMAHON, Auteur ; Amanda V. BAKIAN, Auteur . - p.751-760.
Langues : Anglais (eng)
in Autism Research > 15-4 (April 2022) . - p.751-760
Mots-clés : Autism Spectrum Disorder/epidemiology Autistic Disorder/epidemiology Child Ethnicity Female Humans Male Minority Groups Population Surveillance/methods Prevalence autism spectrum disorder children epidemiology logistic models sensory Index. décimale : PER Périodiques Résumé : Sensory features (i.e., atypical responses to sensory stimuli) are included in the current diagnostic criteria for autism spectrum disorder. Yet, large population-based studies have not examined these features. This study aimed to determine the prevalence of sensory features among autistic children, and examine associations between sensory features, demographics, and co-occurring problems in other areas. Analysis for this study included a sample comprised of 25,627 four- or eight-year-old autistic children identified through the multistate Autism and Developmental Disabilities Monitoring Network (2006-2014). We calculated the prevalence of sensory features and applied multilevel logistic regression modeling. The majority (74%; 95% confidence interval: 73.5%-74.5%) of the children studied had documented sensory features. In a multivariable model, children who were male and those whose mothers had more years of education had higher odds of documented sensory features. Children from several racial and ethnic minority groups had lower odds of documented sensory features than White, non-Hispanic children. Cognitive problems were not significantly related to sensory features. Problems related to adaptive behavior, emotional states, aggression, attention, fear, motor development, eating, and sleeping were associated with higher odds of having documented sensory features. Results from a large, population-based sample indicate a high prevalence of sensory features in autistic children, as well as relationships between sensory features and co-occurring problems. This study also pointed to potential disparities in the identification of sensory features, which should be examined in future research. Disparities should also be considered clinically to avoid reduced access to supports for sensory features and related functional problems. LAY SUMMARY: In a large, population-based sample of 25,627 autistic children, 74% had documented differences in how they respond to sensation. We also identified significant associations of sensory features with adaptive behavior and problems in other domains. Sensory features were less common among girls, children of color, and children of mothers with fewer years of education, suggesting potential disparities in identification. En ligne : https://dx.doi.org/10.1002/aur.2670 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=473 Global prevalence of autism: A systematic review update / Jinan ZEIDAN in Autism Research, 15-5 (May 2022)
[article]
Titre : Global prevalence of autism: A systematic review update Type de document : Texte imprimé et/ou numérique Auteurs : Jinan ZEIDAN, Auteur ; Eric FOMBONNE, Auteur ; Julie SCORAH, Auteur ; Alaa IBRAHIM, Auteur ; Maureen S. DURKIN, Auteur ; Shekhar SAXENA, Auteur ; Afiqah YUSUF, Auteur ; Andy SHIH, Auteur ; Mayada ELSABBAGH, Auteur Article en page(s) : p.778-790 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/diagnosis Autistic Disorder/epidemiology Child Ethnicity Female Humans Male Population Surveillance/methods Prevalence autism methodology risk factors social determinants time trends Index. décimale : PER Périodiques Résumé : Prevalence estimates of autism are essential for informing public policy, raising awareness, and developing research priorities. Using a systematic review, we synthesized estimates of the prevalence of autism worldwide. We examined factors accounting for variability in estimates and critically reviewed evidence relevant for hypotheses about biological or social determinants (viz., biological sex, sociodemographic status, ethnicity/race, and nativity) potentially modifying prevalence estimates of autism. We performed the search in November 2021 within Medline for studies estimating autism prevalence, published since our last systematic review in 2012. Data were extracted by two independent researchers. Since 2012, 99 estimates from 71 studies were published indicating a global autism prevalence that ranges within and across regions, with a median prevalence of 100/10,000 (range: 1.09/10,000 to 436.0/10,000). The median male-to-female ratio was 4.2. The median percentage of autism cases with co-occurring intellectual disability was 33.0%. Estimates varied, likely reflecting complex and dynamic interactions between patterns of community awareness, service capacity, help seeking, and sociodemographic factors. A limitation of this review is that synthesizing methodological features precludes a quality appraisal of studies. Our findings reveal an increase in measured autism prevalence globally, reflecting the combined effects of multiple factors including the increase in community awareness and public health response globally, progress in case identification and definition, and an increase in community capacity. Hypotheses linking factors that increase the likelihood of developing autism with variations in prevalence will require research with large, representative samples and comparable autism diagnostic criteria and case-finding methods in diverse world regions over time. LAY SUMMARY: We reviewed studies of the prevalence of autism worldwide, considering the impact of geographic, ethnic, and socioeconomic factors on prevalence estimates. Approximately 1/100 children are diagnosed with autism spectrum disorder around the world. Prevalence estimates increased over time and varied greatly within and across sociodemographic groups. These findings reflect changes in the definition of autism and differences in the methodology and contexts of prevalence studies. En ligne : http://dx.doi.org/10.1002/aur.2696 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=473
in Autism Research > 15-5 (May 2022) . - p.778-790[article] Global prevalence of autism: A systematic review update [Texte imprimé et/ou numérique] / Jinan ZEIDAN, Auteur ; Eric FOMBONNE, Auteur ; Julie SCORAH, Auteur ; Alaa IBRAHIM, Auteur ; Maureen S. DURKIN, Auteur ; Shekhar SAXENA, Auteur ; Afiqah YUSUF, Auteur ; Andy SHIH, Auteur ; Mayada ELSABBAGH, Auteur . - p.778-790.
Langues : Anglais (eng)
in Autism Research > 15-5 (May 2022) . - p.778-790
Mots-clés : Autism Spectrum Disorder/diagnosis Autistic Disorder/epidemiology Child Ethnicity Female Humans Male Population Surveillance/methods Prevalence autism methodology risk factors social determinants time trends Index. décimale : PER Périodiques Résumé : Prevalence estimates of autism are essential for informing public policy, raising awareness, and developing research priorities. Using a systematic review, we synthesized estimates of the prevalence of autism worldwide. We examined factors accounting for variability in estimates and critically reviewed evidence relevant for hypotheses about biological or social determinants (viz., biological sex, sociodemographic status, ethnicity/race, and nativity) potentially modifying prevalence estimates of autism. We performed the search in November 2021 within Medline for studies estimating autism prevalence, published since our last systematic review in 2012. Data were extracted by two independent researchers. Since 2012, 99 estimates from 71 studies were published indicating a global autism prevalence that ranges within and across regions, with a median prevalence of 100/10,000 (range: 1.09/10,000 to 436.0/10,000). The median male-to-female ratio was 4.2. The median percentage of autism cases with co-occurring intellectual disability was 33.0%. Estimates varied, likely reflecting complex and dynamic interactions between patterns of community awareness, service capacity, help seeking, and sociodemographic factors. A limitation of this review is that synthesizing methodological features precludes a quality appraisal of studies. Our findings reveal an increase in measured autism prevalence globally, reflecting the combined effects of multiple factors including the increase in community awareness and public health response globally, progress in case identification and definition, and an increase in community capacity. Hypotheses linking factors that increase the likelihood of developing autism with variations in prevalence will require research with large, representative samples and comparable autism diagnostic criteria and case-finding methods in diverse world regions over time. LAY SUMMARY: We reviewed studies of the prevalence of autism worldwide, considering the impact of geographic, ethnic, and socioeconomic factors on prevalence estimates. Approximately 1/100 children are diagnosed with autism spectrum disorder around the world. Prevalence estimates increased over time and varied greatly within and across sociodemographic groups. These findings reflect changes in the definition of autism and differences in the methodology and contexts of prevalence studies. En ligne : http://dx.doi.org/10.1002/aur.2696 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=473