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Environmental influences on fruit and vegetable intake: results from a path analytic model
Angela D Liese1, Bethany A Bell2, Timothy L Barnes1
11Center for Research in Nutrition and Health Disparities,Arnold School of Public Health,Department of Epidemiology and Biostatistics,University of South Carolina,921 Assembly Street,Columbia,SC 29208,USA.
Public Health Nutrition
|November 7, 2013
Summary
Shopping frequency and perceptions of healthy food availability significantly influence fruit and vegetable (F&V) intake. Supermarket availability has indirect effects, highlighting the importance of consumer behavior and perceived food access for F&V consumption.
Area of Science:
- Nutritional Epidemiology
- Public Health Nutrition
- Behavioral Science
Background:
- Fruit and vegetable (F&V) intake is crucial for health.
- Behavioral and environmental factors influence F&V consumption.
- Few studies have simultaneously assessed these diverse influences.
Purpose of the Study:
- To quantify the relative influence of supermarket availability, food environment perceptions, and shopping behavior on F&V intake.
- To understand the complex interplay of factors affecting dietary choices.
Main Methods:
- Cross-sectional study in eight South Carolina counties.
- Telephone survey of 831 household food shoppers.
- Geographic information system (GIS) for supermarket availability and path analysis.
Main Results:
- Shopping frequency was the only direct significant predictor of F&V intake.
- Supermarket availability indirectly influenced F&V intake through perceived availability and shopping access.
- Perceived healthy food availability had a significant total effect on F&V intake.
Conclusions:
- Supermarket availability's role in F&V intake is primarily indirect.
- Food shopping frequency and perceived healthy food availability are key influencers.
- Dietary interventions should consider both behavioral and perceived environmental factors.
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