Prevalence of undetected developmental delays in I ranian children

Firoozeh Sajedi · Roshanak Vameghi · A. Kraskian Mujembari

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Developmental and Educational Neuropsychology Autism Spectrum Disorder Research Infant Development and Preterm Care

Abstract

BACKGROUND: Regarding the short- and long-term benefits of early intervention for childhood developmental disorders, this study was carried out to determine the prevalence of undetected developmental delays by the standardized form of the Persian version of the Ages and Stages Questionnaires (ASQ) in Iranian children. METHODS: This was a cross-sectional study. The study was carried out on 11 000, 4- to 60-month-old children; in 19 age groups, in 41 selected cities throughout the country. Ninety physicians were invited from each of the selected cities to Tehran in groups, and trained about the ASQ scoring, during a 2-day workshop. The questionnaires were completed at healthcare settings by parents of children who were apparently normal (lacking any gross developmental disorders) under the supervision of the physicians who consequently scored each child. The response rate was 95% (10 516 parents). RESULTS: Among the 10 516 children studied, 5035 (47.87%) were girls. The average percentage of children delayed in the communication, gross motor, fine motor, problem-solving and social-personal domains was 3.87%, 4.04%, 4.31%, 4.15% and 3.69%, respectively, when considering the Iranian cut-off points. In the 19 age-domain groups, most frequently in the personal-social and fine motor domains (in terms of domains), and also most frequently at 36 and 48 months of age (in terms of age ranges), girls showed significantly higher scores than boys. Boys showed significantly higher scores in two age-domain groups (gross motor domain at 20 and 22 months of age). CONCLUSIONS: The prevalence of undetected developmental delays in Iranian children screened by the ASQ questionnaires ranged from 3.69% to 4.31% in different developmental domains.

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References

1997Revision of a Parent-Completed Developmental Screening Tool: Ages and Stages Questionnaires 1989The validity of a parent report instrument of child language at twenty months

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2018The effect of affordances in the home environment on children’s fine- and gross motor skills 2017Screening for developmental delay in preschool-aged children using parent-completed Ages and Stages Questionnaires: additional insights into child development 2019Prevalence and risk factors of gross motor delay in pre‐schoolers 2020Effects of affordances in the home environment on children's personal‐social, problem‐solving, and communication skills 2015Prevalence of Developmental Delay in Apparently Normal Preschool Children in Isfahan,Central Iran.2018Maternal intelligence quotient and motor development in early childhood: The mediating role of mother's education 2022The Indonesian version of Ages and Stages Questionnaire III accuracy compared to Bayley Scales of Infant Development III

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