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Fruit and Vegetable Knowledge and Intake within an Australian Population: The AusDiab Study
Caroline R Hill1, Lauren C Blekkenhorst1,2, Simone Radavelli-Bagatini1
1Institute for Nutrition Research, School of Medical and Health Sciences, Edith Cowan University, Perth, WA 6000, Australia.
Nutrients
|December 1, 2020
Summary
Adequate fruit and vegetable knowledge is strongly linked to higher fruit and vegetable intake in Australian adults. Health campaigns should target subgroups with poor knowledge, including males, older adults, and those with unhealthy lifestyles.
Area of Science:
- Public Health Nutrition
- Health Promotion
- Dietary Behavior Research
Background:
- Understanding fruit and vegetable knowledge (FVK) and intake (FVI) is crucial for public health.
- Effective health promotion requires targeted messaging based on knowledge-intake relationships.
Purpose of the Study:
- To investigate the association between FVK and FVI in Australian adults.
- To identify demographic and lifestyle factors associated with poor FVK.
Main Methods:
- Utilized data from the Australian Diabetes, Obesity, and Lifestyle Study (AusDiab).
- Assessed FVK via self-reported questions and FVI using a food frequency questionnaire over 12 years.
- Employed linear regression to analyze associations between FVK, FVI, and other factors.
Main Results:
- A significant association was found between FVK and FVI; lower knowledge correlated with lower intake.
- Participants with insufficient or poor FVK reported substantially less FVI compared to those with adequate knowledge.
- Poor FVK was more prevalent in males, older adults (>65), socio-economically disadvantaged individuals, smokers, and those with low physical activity.
Conclusions:
- Adequate FVK is a strong predictor of higher FVI in Australian adults.
- Specific demographic and lifestyle factors are associated with lower FVK.
- Health promotion strategies should target identified subgroups to enhance FVK and subsequently FVI.
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