Screen time and childhood attention deficit hyperactivity disorder: a meta-analysis
Hezuo Liu1, Xiaorong Chen1, Minhui Huang1
1Ninghai Maternal and Child Health Hospital, Ningbo, China.
Reviews on Environmental Health
|May 10, 2023
Summary
Excessive screen time is linked to a higher risk of attention deficit hyperactivity disorder (ADHD) in children. Limiting daily screen exposure may help prevent ADHD development.
Area of Science:
- Pediatric Health
- Neurodevelopmental Disorders
- Public Health
Background:
- The relationship between screen time and ADHD remains debated.
- Previous research has yielded conflicting results.
- This study addresses the controversy through a comprehensive meta-analysis.
Purpose of the Study:
- To investigate the correlation between screen time and ADHD risk.
- To quantify the association using meta-analysis.
- To provide evidence-based recommendations for screen time in children.
Main Methods:
- A meta-analysis was conducted using data from nine studies.
- Electronic databases (PubMed, Embase, Web of Science) were searched until August 2022.
- Odds ratios (OR) and 95% confidence intervals (CI) were calculated for 81,234 children (28,997 with ADHD, 52,237 controls).
Main Results:
- Children with screen time ≥2 hours/day had a significantly higher risk of ADHD.
- The odds ratio for ADHD in the ≥2 hours/day group was 1.51 (95% CI: 1.20-1.90) compared to <2 hours/day.
- A positive correlation was found between screen time and ADHD risk.
Conclusions:
- Excessive screen exposure is associated with an increased risk of ADHD in children.
- Reducing daily screen time is recommended to prevent ADHD.
- Further research may explore causal mechanisms and optimal screen time limits.
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