Brief Report: Cumulative Incidence of Autism Spectrum Disorder Before School Entry in a Thoroughly Screened Population
Abstract
The present study aimed to identify the cumulative incidence of autism spectrum disorder (ASD) in a thoroughly screened population and to examine the behavioral and motor characteristics observed in children with ASD at the age of 18 months. Subjects were 1067 children who underwent a screening assessment for ASD at the routine 18-months health checkup. By the age of 6 years, 3.1% (4.3% of boys and 2.0% of girls) were diagnosed as having ASD by their attending pediatricians. Higher rate of difficulties in motor skills and social and communication skills had been reported in children with ASD at 18 months of age. This study showed that careful community-based screening system may be helpful in detecting ASD at early age.
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The high prevalence in high-income Asia Pacific was driven by high-quality data from South Korea and Japan indicating high prevalence in this region.
“The high prevalence in high-income Asia Pacific was driven by high-quality data from South Korea and Japan indicating high prevalence in this region.12, 13, 28, 29”
From The global epidemiology and health burden of the autism spectrum: findings from the Global Burden of Disease Study 2021. (2025) · cites this paper as [29]
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References 19 · Cited by 20
- Authors
- Sasayama, D., Kudo, T., Kaneko, W., Kuge, R., Koizumi, N., Nomiyama, T., Washizuka, S., & Honda, H.
- Affiliations
- Shinshu University (JP)
- Nagano Prefectural Government (JP)
- Corresponding author
- Sasayama, Daimei
- Venue
- Journal of Autism and Developmental Disorders
- Published
- 2020-07-21
- Volume
- 51
- Issue
- 4
- Pages
- 1400-1405
- ISSN
- 0162-3257 (ISSN-L)
- 1573-3432
- OpenAlex
- W3044053226
- Cited by
- 20
- References
- 19
- Citations by year
- 2025: 3 · 2024: 3 · 2023: 4 · 2022: 8 · 2021: 2
- FWCI
- 1.88
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Autism and Developmental Disorders (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Promotion Project of Education, Research, and Medical Care from Shinshu University Hospital
- Grant-in-Aid for Scientific Research from the Ministry of Health, Labour and Welfare (H30-shintai-ippan-002)
- Meiji Yasuda Mental Health Foundation
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Health Sciences › Medicine › Psychiatry and Mental health › Child Nutrition and Feeding Issues
- Social Sciences › Psychology › Clinical Psychology › Family and Disability Support Research
- Keywords
- autism spectrum disorder, cumulative incidence, early screening, community-based screening, motor skills, social and communication skills, pediatric diagnosis
- MeSH terms
- Autism Spectrum Disorder, Child, Child, Preschool, Female, Humans, Infant, Japan, Male, Mass Screening, Motor Skills, Population Surveillance, Surveys and Questionnaires, Schools, Incidence
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