Lipids & metabolic liver disease
Association between excessive screen time and steatotic liver disease in adolescents: Findings from the 2017–2018 National Health and Nutrition Examination Survey
Main finding · Liver steatosisResult — go to the resultOdds ratio 2.10 95% CI 1.34–3.29Authors' conclusion
Excessive screen time was associated with increased odds of liver steatosis in adolescents. Strategies to reduce screen time for youth may bring benefits for the management of MASLD.
Study context
- Population
- US adolescents aged 12–17 years, National Health and Nutrition Examination Surveys (NHANES) 2017–2018; self-reported screen time outside school; liver steatosis by controlled attenuation parameter (CAP) on transient elastography
- Participants
- 731 adolescents
- Exposure
- Excessive screen time vs modest screen time
- Excessive screen time (EST)n = 476
- Outcome
- Liver steatosis (median CAP by transient elastography)
Methodological detailsnationally representative sample (NHANES 2017–2018)
- Nationally representative sample (NHANES 2017–2018)
Main finding
Liver steatosis
Odds ratio
2.10
95% CI 1.34–3.29
P = 0.032
By group
ESTvs Modest ST
OR 2.10 (95% CI 1.34–3.29); P = 0.032
As reported in the abstract
Observational data: associations, not effects.
Further findings
- Prevalence of EST
- 65.0% · 476
Mediation of EST effect on liver steatosis by BMI
- BMI partially mediated the effect (proportion mediated), p = 0.036
- 52.9%
Original publication
Association between excessive screen time and steatotic liver disease in adolescents: Findings from the 2017–2018 National Health and Nutrition Examination Survey. Pediatr Obes. Published 11 March 2025. doi:10.
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