Neighbourhood exposure to fast-food and sit-down restaurants and estimated 24-hour urinary sodium excretion: a cross-sectional analysis of urban adults from the ORISCAV-LUX 2 study
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View abstract on PubMed
Summary
This summary is machine-generated.Living near more restaurants increases sodium intake, particularly for those less focused on healthy eating. This highlights potential health disparities linked to neighbourhood food environments.
Area Of Science
- Environmental Health
- Nutritional Epidemiology
- Public Health
Background
- Increased out-of-home food consumption is linked to higher sodium intake.
- Dietary assessment limitations hinder accurate sodium intake measurement.
- Neighbourhood food environments may influence dietary habits and health outcomes.
Purpose Of The Study
- To investigate the association between neighbourhood restaurant access and estimated 24-hour urinary sodium excretion.
- To explore how eating habits moderate the relationship between restaurant proximity and sodium intake.
Main Methods
- Cross-sectional analysis of the ORISCAV-LUX 2 study (n=464 urban adults).
- Estimated 24-hour urinary sodium from spot urine samples using the INTERSALT formula.
- Geographic Information Systems (GIS) used to assess spatial access to restaurants within 800-m and 1000-m road network buffers.
Main Results
- Greater spatial access to fast-food and sit-down restaurants was associated with increased urinary sodium excretion.
- This association was significant for individuals with less health-conscious eating habits.
- Specifically, higher access at 800m (β=259) and 1000m (β=270) correlated with higher sodium excretion in this subgroup.
Conclusions
- Neighbourhood restaurant exposure significantly influences sodium intake.
- Individuals with less health-conscious diets are more susceptible to increased sodium intake from accessible restaurants.
- Findings suggest potential exacerbation of diet-related health disparities due to neighbourhood food environments.
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