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Increase in children with developmental delay: Survey on 18-month-old children in Togane city, Japan

Hideki Uchikawa1, Seika Yamoto2, Mika Saito2

  • 1Department of Pediatrics, Eastern Chiba Medical Center, Togane, Japan; Department of General Medical Science, Graduate School of Medicine, Chiba University, Chiba, Japan.

Brain & Development
|February 3, 2023
PubMed

Insights

Developmental delays in children are increasing, with trends showing fewer pointing gestures and less response to sounds. Nursery school attendance and bedtime routines appear to influence these developmental milestones.

Area of Science:

  • Pediatric developmental disorders
  • Childhood neurodevelopmental trends

Background:

  • Increasing hospital visits for neurodevelopmental disorders necessitate investigation into contributing factors.
  • Environmental and genetic factors are under scrutiny for their role in developmental delays.

Purpose of the Study:

  • To analyze developmental delay trends in children.
  • To investigate the background factors associated with childhood developmental delays.

Main Methods:

  • Longitudinal study of 4,145 children (18-month checkups) in Togane city, Japan (2011-2021).
  • Parental questionnaires assessed child development and lifestyle factors over time.

Main Results:

  • A significant increase in children not producing pointing gestures or responding to names/sounds was observed (p < 0.05).
  • Attending nursery school and bedtime routines were significantly associated with pointing gesture development.

Conclusions:

  • A decade-long trend of slowed childhood development is evident.
  • Early childhood interaction (nursery school) and adequate sleep (bedtime routines) are crucial for development.
Abstract

Keywords:
BedtimeCheckupDevelopmental delayNursery schoolPointing

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