A Revised Australian Dietary Guideline Index and Its Association with Key Sociodemographic Factors, Health Behaviors and Body Mass Index in Peri-Retirement Aged Adults

The Dietary Guideline Index, a measure of diet quality, was updated to reflect the 2013 Australian Dietary Guidelines. This paper describes the revision of the index (DGI-2013) and examines its use in older adults. The DGI-2013 consists of 13 components reflecting food-based daily intake recommendat...

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Bibliographic Details
Published in:Nutrients 2016-03, Vol.8 (3), p.160-160
Main Authors: Thorpe, Maree G, Milte, Catherine M, Crawford, David, McNaughton, Sarah A
Format: Article
Language:English
Subjects:
Age Factors
Aged
Australia
Australian
BMI
Body Mass Index
Cross-Sectional Studies
Diet - adverse effects
diet quality
diet quality index
dietary guidelines
Feeding Behavior
Female
Geriatric Assessment
Health Behavior
Humans
Life Style
Male
Middle Aged
Nutrition Assessment
Nutritional Status
older adults
Recommended Dietary Allowances
Retirement
Rural Health
Socioeconomic Factors
Surveys and Questionnaires
Urban Health
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Summary:The Dietary Guideline Index, a measure of diet quality, was updated to reflect the 2013 Australian Dietary Guidelines. This paper describes the revision of the index (DGI-2013) and examines its use in older adults. The DGI-2013 consists of 13 components reflecting food-based daily intake recommendations of the Australian Dietary Guidelines. In this cross-sectional study, the DGI-2013 score was calculated using dietary data collected via an 111-item food frequency questionnaire and additional food-related behaviour questions. The DGI-2013 score was examined in Australian adults (aged 55-65 years; n = 1667 men; 1801 women) according to sociodemographics, health-related behaviours and BMI. Women scored higher than men on the total DGI-2013 and all components except for dairy. Those who were from a rural area (men only), working full-time (men only), with lower education, smoked, did not meet physical activity guidelines, and who had a higher BMI, scored lower on the DGI-2013, highlighting a group of older adults at risk of poor health. The DGI-2013 is a tool for assessing compliance with the Australian Dietary Guidelines. We demonstrated associations between diet quality and a range of participant characteristics, consistent with previous literature. This suggests that the DGI-2013 continues to demonstrate convergent validity, consistent with the original Dietary Guideline Index.
ISSN:2072-6643
2072-6643
DOI:10.3390/nu8030160