Social jetlag is associated with body mass (BMI) in children aged 2-8years: A cross-sectional analysis
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View abstract on PubMed
Summary
This summary is machine-generated.Social jetlag, the difference between weekend and weekday sleep schedules, is linked to higher BMIz in young children. Over an hour of social jetlag increases children's odds of being overweight or obese.
Area Of Science
- Pediatric Health
- Sleep Science
- Obesity Research
Background
- Social jetlag, a mismatch in sleep timing between weekdays and weekends, is a known risk factor for elevated Body Mass Index (BMI) in adults and older children.
- Limited research has explored the connection between social jetlag and BMI in early childhood.
Purpose Of The Study
- To investigate the association between social jetlag and BMIz (BMI-for-age percentile) in children aged 2-8 years.
- To determine if social jetlag impacts weight status in early childhood.
Main Methods
- Utilized cross-sectional data from 1122 children (ages 2-8) from the NIH Environmental influences on Child Health Outcomes (ECHO) study.
- Parent-reported sleep timing was used to calculate social jetlag. Objective height and weight measurements determined BMIz.
- Regression models analyzed the association between social jetlag and BMIz, controlling for sociodemographic and sleep variables.
Main Results
- A positive association was found between social jetlag and BMIz (β=0.126, p=.043) after adjusting for covariates.
- Children with at least 1 hour of social jetlag exhibited higher average BMIz.
- These children had 66% increased odds of being overweight or obese (OR=1.66, p=.01) compared to those with no social jetlag.
Conclusions
- Social jetlag may contribute to increased BMIz in young children, mirroring findings in older populations.
- Approximately 1 hour of social jetlag may elevate a child's risk of overweight or obesity.
- Further research is warranted to establish causality and explore interventions to reduce social jetlag for improved weight management.
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