Investigating preschool-aged chronotype and social jetlag as predictors of early adolescent diet and BMI z-score: an eight-year follow-up from the DAGIS study
Authors' conclusion
Having a later chronotype and greater social jetlag during preschool age predicted a higher preadolescent weight outcome. Obesity prevention initiatives should include efforts to reduce the risk of circadian disruption among young children, by accounting for chronotype and aiming to reduce social jetlag in interventions.
Study context
- Population
- Children in the DAGIS Survey 2015–2016 (baseline mean age 4.69 years) followed up in DAGIS Next 2023 (age 12.03 years)
- Participants
- 210 children
- Outcome
- Follow-up BMI z-score predicted by preschool-aged chronotype and social jetlag
- Follow-up
- eight-year follow-up
Methodological detailseight-year follow-up, Chronotype and social jetlag from 7-day actigraphy at baseline; diet by Food Frequency Questionnaire at follow-up; BMI z-score by Finnish growth references
- Eight-year follow-up
- Chronotype and social jetlag from 7-day actigraphy at baseline; diet by Food Frequency Questionnaire at follow-up; BMI z-score by Finnish growth references
Main finding
As reported in the abstract
eight-year follow-up
Chronotype → follow-up BMI z-score, β-est (95% CI 0.01, 0.42), p = 0.03
0.22
Social jetlag → follow-up BMI z-score, β-est (95% CI 0.02, 0.65), p = 0.04
0.33
Observational data: associations, not effects.
Further findings
Fruit and vegetable, sugary food and drink consumption · follow-up
- No associations between preschool-aged chronotype or social jetlag and preadolescent fruit and vegetable or sugary food and drink consumption
Original publication
Investigating preschool-aged chronotype and social jetlag as predictors of early adolescent diet and BMI z-score: an eight-year follow-up from the DAGIS study. Int J Obes (Lond). Published 19 December 2024. doi:10.
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