Diet quality partially mediates the association between ultraprocessed food consumption and adiposity indicators
Authors' conclusion
UPF consumption was positively associated with adiposity indicators, which were partially attributed to the overall diet quality. Further studies are needed to better understand the causal mechanisms of these associations.
Study context
- Population
- Korean adults, baseline participants of the Cardiovascular and Metabolic Diseases Etiology Research Center (CMERC) cohort study
- Participants
- 4,331 adults
- Exposure
- Ultraprocessed food (UPF) consumption and adiposity indicators, mediation by diet quality
- Outcome
- Mediating effect of the Korean Healthy Eating Index on the association between UPF consumption and adiposity indicators (BMI, waist circumference, % body fat by bioimpedance, visceral fat mass by DXA)
Methodological detailsmediation analysis, baseline data of the CMERC cohort study
- Mediation analysis
- Baseline data of the CMERC cohort study
Main finding
As reported in the abstract
Mediating effect of Korean Healthy Eating Index on UPF–adiposity association
Proportion mediated, BMI
35.6%
95% CI 4.9% to 255.9%
Proportion mediated, waist circumference
38.3%
CI 17.9% to 132.1%
Proportion mediated, % body fat
40.2%
CI 8.3% to 259.4%
Proportion mediated, visceral fat mass
60.7%
CI −396.4% to 662.7%
Observational data: associations, not effects.
Original publication
Diet quality partially mediates the association between ultraprocessed food consumption and adiposity indicators. Obesity (Silver Spring). Published 7 August 2023. doi:10.
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