| Fruit and vegetable availability: a micro environmental mediating variable? | |
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MedLine Citation:
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PMID: 17381953 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To examine the association between fruit and vegetable (F&V) availability and consumption, the possible influences on this association, research gaps, and implications for developing strategies to increase F&V consumption. DESIGN: Systematic review of studies that have examined associations between F&V availability and consumption. RESULTS: Qualitative studies conducted among children and adults indicated that greater availability was associated with greater consumption. This finding was supported by cross-sectional studies among children. Availability was associated with dietary psychosocial variables such as preferences, and it appears that availability may moderate the relationship between these psychosocial variables and consumption. Intervention studies attempting to increase availability have resulted in increased consumption, and availability has predicted change in consumption over an 18-month period. DISCUSSION: Availability appears to be a key proximal determinant of consumption, especially of F&V, and thereby provides a target for change. However, the mechanisms that relate these variables are unclear and there is a need to clarify the direction of causality. We suggest that the possible causal mechanisms may include: (1) availability simply facilitates increased consumption; (2) the visual cues of available food may stimulate consumption; and (3) available food exposure may increase preference, which leads to increased consumption. Each of these possibilities requires close examination, as do policy-level interventions. CONCLUSION: F&V availability is associated with increased consumption. Research that elucidates the mechanisms between availability and intake, and tests policy-level interventions, is needed to advance increased availability as a public health procedure. |
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Authors:
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Russell Jago; Tom Baranowski; Janice C Baranowski |
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Publication Detail:
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Type: Journal Article; Meta-Analysis; Research Support, U.S. Gov't, Non-P.H.S. Date: 2007-02-20 |
Journal Detail:
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Title: Public health nutrition Volume: 10 ISSN: 1368-9800 ISO Abbreviation: Public Health Nutr Publication Date: 2007 Jul |
Date Detail:
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Created Date: 2007-06-06 Completed Date: 2007-08-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9808463 Medline TA: Public Health Nutr Country: England |
Other Details:
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Languages: eng Pagination: 681-9 Citation Subset: IM |
Affiliation:
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Department of Exercise, Nutrition and Health Sciences, Centre for Exercise and Health, University of Bristol, Tyndall Avenue, Bristol, BS8 1TP, UK. Russ.Jago@bris.ac.uk |
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| MeSH Terms | |
Descriptor/Qualifier:
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Choice Behavior Cross-Sectional Studies Diet Surveys Eating* Environment Food Habits / psychology* Food Preferences Food Supply* Fruit* Health Behavior Humans Predictive Value of Tests Vegetables* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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