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Screen Time and Language Development in Toddlers Assessed With the Bayley-4

NCT07731386 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 153

Last updated 2026-07-28

No results posted yet for this study

Summary

This cross-sectional study investigated whether caregiver-reported daily screen time is associated with language development in toddlers aged 12 to 42 months, measured with the Bayley-4. Receptive language was the primary outcome; expressive language, cognitive, and motor scaled scores were secondary. The study was conducted at the pediatric outpatient clinics of a tertiary care city hospital in Türkiye.

Conditions

  • Language Development
  • Screen Time
  • Child Development

Interventions

OTHER

Daily Screen Media Exposure

Caregiver-reported total daily screen media exposure recorded on a four-level ordinal scale (0-30, 30-60, 60-120, and more than 120 minutes per day) using a structured questionnaire administered at the study visit. No exposure was assigned, allocated, or manipulated by the investigators. Applies to Cohorts 1-4.

DIAGNOSTIC_TEST

Bayley Scales of Infant and Toddler Development, Fourth Edition (Bayley-4)

A single standardized developmental assessment administered to each participant by one certified child development specialist in a dedicated, distraction-free examination room with the caregiver present, per Bayley-4 protocol. Mean administration time was 60-90 minutes. Receptive Communication, Expressive Communication, Cognitive, Fine Motor, and Gross Motor scaled scores were recorded. Applies to Cohorts 1-4.

Sponsors & Collaborators

  • Kayseri City Hospital

    lead OTHER_GOV

Principal Investigators

  • Agah B ÖZTÜRK, MD · Kayseri City Hospital, Kayseri, Türkiye

Eligibility

Min Age
12 Months
Max Age
42 Months
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-08-05
Primary Completion
2026-05-01
Completion
2026-05-01

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07731386 on ClinicalTrials.gov