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The 2005 Dietary Guidelines for Americans Adherence Index: development and application
Jeanene J Fogli-Cawley1, Johanna T Dwyer, Edward Saltzman
1Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA.
The Journal of Nutrition
|October 24, 2006
Summary
A new index measures adherence to the 2005 Dietary Guidelines for Americans (DGA). Higher scores on the 2005 Dietary Guidelines Adherence Index (DGAI) correlated with healthier participant characteristics.
Area of Science:
- Nutrition Science
- Public Health
- Epidemiology
Background:
- The 2005 Dietary Guidelines for Americans (DGA) provide updated healthy eating recommendations.
- Assessing adherence to these guidelines is crucial for public health initiatives.
Purpose of the Study:
- To develop and validate the 2005 Dietary Guidelines Adherence Index (DGAI).
- To measure adherence to key dietary recommendations in adult Americans.
Main Methods:
- Developed the DGAI with 20 items assessing food and nutrient intake against 2005 DGA recommendations.
- Scored adherence from 0 to 1 for each item.
- Applied the DGAI to dietary data from the Framingham Heart Study Offspring Cohort.
Main Results:
- The mean DGAI score was 9.6 (range 2.5-17.50).
- Higher DGAI scores were associated with being female, older, multivitamin use, lower BMI, and non-smoking status.
- The DGAI showed variation and face validity in the study population.
Conclusions:
- The DGAI is a valid and useful tool for measuring diet quality.
- This index can assess adherence to the 2005 Dietary Guidelines for Americans.
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