Early screen exposure and its association with motor affordances in the home environment of Brazilian preterm and full-term infants - Summary - MDSpire

Impact of Early Screen Time on Motor Development Opportunities in Brazilian Preterm and Full-Term Infants' Home Environments

  • By

  • Amanda dos S. Erhardt

  • André Luis Ferreira de Meireles

  • Natália Alves Menegol

  • Anilsa Suraya Gaspar Francisco Gulonda

  • Bruna Frata

  • Dayane Montemezzo

  • Luciana Sayuri Sanada

  • July 17, 2026

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Objective:

To characterize and compare screen exposure in preterm and full-term infants and investigate associations between family sociodemographic characteristics, motor development, and home environment opportunities.

Approach:
  • Study Design: Cross-sectional study involving parents of 80 full-term and preterm infants.
  • Assessment Tools: Motor development assessed using the Alberta Infant Motor Scale; home environment evaluated with the Affordances in the Home Environment for Motor Development—Infant Scale.
  • Data Collection: Parents completed questionnaires on sociodemographics, infant health, and screen exposure.
Key Findings:
  • Full-term infants had a median screen exposure of 3.5 hours/week, while preterm infants had 0 hours/week.
  • Parents of preterm infants watched more television (17.5 hours/week) compared to parents of full-term infants (12 hours/week).
  • A significant correlation was found between parental television watching and screen exposure of preterm infants (rho = 0.583; p = 0.047).
  • Family income was associated with the AHEMD-IS scores (rho = 0.581; p = 0.047).
Interpretation:

Limitations:
  • No statistically significant differences were observed between preterm and full-term infants regarding screen exposure.
  • The study's cross-sectional design limits causal inferences.
Conclusion:

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