Development, Relative Validity and Reproducibility of the Aus-SDS (Australian Short Dietary Screener) in Adults Aged 70 Years and above

The aim of this study was to assess the relative validity and reproducibility of a six-item Australian Short Dietary Screener (Aus-SDS). The Aus-SDS assessed the daily intake of core food groups (vegetables, fruits, legumes and beans, cereals, protein sources and dairy sources) in 100 Australians (5...

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Bibliographic Details
Published in:Nutrients Vol. 12; no. 5; p. 1436
Main Authors: Gadowski, Adelle M., McCaffrey, Tracy A., Heritier, Stephane, Curtis, Andrea J., Nanayakkara, Natalie, Zoungas, Sophia, Owen, Alice J.
Format: Journal Article
Language:English
Published: Switzerland MDPI 15.05.2020
Subjects:
adults
Aged
Aged, 80 and over
Australia
Australians
beans
correlation
Diet Surveys - standards
Diet, Healthy - psychology
Feeding Behavior - psychology
Female
females
food groups
fruits
Geriatric Assessment - methods
grains
Humans
Male
males
Mass Screening - standards
Mental Recall
nutrients
population
protein sources
reproducibility
Reproducibility of Results
Statistics, Nonparametric
Surveys and Questionnaires - standards
validity
vegetables
Australia
food group
brief questionnaire
dietary intake
relative validity
older adults
diet
validity
dietary screener
ISSN:2072-6643, 2072-6643
Online Access:Get full text
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Summary:The aim of this study was to assess the relative validity and reproducibility of a six-item Australian Short Dietary Screener (Aus-SDS). The Aus-SDS assessed the daily intake of core food groups (vegetables, fruits, legumes and beans, cereals, protein sources and dairy sources) in 100 Australians (52 males and 48 females) aged ≥70 years. Relative validity was assessed by comparing intakes from the Aus-SDS1 with an average of three 24-h recalls (24-HRs), and reproducibility using two administrations of the Aus-SDS (Aus-SDS1 and Aus-SDS2). Cohen’s kappa statistic between the Aus-SDS1 and 24-HRs showed moderate to good agreement, ranging from 0.44 for fruits and dairy to 0.64 for protein. There was poor agreement for legume intake (0.12). Bland–Altman plots demonstrated acceptable limits of agreement between the Aus-SDS1 and 24-HRs for all food groups. Median intakes obtained from Aus-SDS1 and Aus-SDS2 did not differ. For all food groups, Cohen’s kappa statistic ranged from 0.68 to 0.89, indicating acceptable agreement between the Aus-SDS1 and Aus-SDS2. Spearman’s correlation coefficient between Aus-SDS1 and 24-HRs across all food groups ranged from 0.64 for fruit to 0.83 for protein. We found the Aus-SDS to be a useful tool in assessing daily intake of core food groups in this population.
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ISSN:2072-6643
2072-6643
DOI:10.3390/nu12051436