Shared Behavioural Determinants of Short Sleep and Obesity From Childhood to Adolescence: An Analyses of Growing Up in Scotland Birth Cohort 1
Authors' conclusion
Smoking and alcohol experimentation and less structured eating timing were identified as shared determinants of shorter sleep and higher BMIp in adolescence.
Study context
- Population
- Children followed from 10 to 14 years in Growing Up in Scotland (GUS) Birth Cohort 1 (sweeps 8–10); 50.2% maleanalysed
- Participants
- 4,157 children
- Primary endpoint
- Sleep duration and BMI percentile (BMIp)
- Follow-up
- 14 years
Methodological detailslongitudinal birth cohort, block-wise linear regression
- Longitudinal birth cohort
- Block-wise linear regression
Primary result
As reported in the abstract
Determinants at 10 and 12 years of sleep duration and BMIp at 14 years (meaningful: standardised β ≥ 0.10 or ≤ −0.10)
- Having tried smoking at 12 years: meaningfully associated with shorter sleep and higher body mass index percentile (BMIp)
- Having tried alcohol at 12 years: meaningfully associated with shorter sleep and higher BMIp
- Allowed to eat whenever the child wanted at 10 years: meaningfully associated with shorter sleep and higher BMIp
- Maternal BMI: meaningfully associated with BMIp only
- Poorer emotional wellbeing: meaningfully associated with shorter sleep only
- Sugar-sweetened beverage consumption: meaningfully associated with shorter sleep only
- Adjusted models
Original publication
Shared Behavioural Determinants of Short Sleep and Obesity From Childhood to Adolescence: An Analyses of Growing Up in Scotland Birth Cohort 1. Pediatr Obes. Published 5 August 2026. doi:10.
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