Development and internal validation of the SMILE-FSS: A Free Sugars Screener for Australian children aged 2 and 5 years
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(Published version)
Date
2023
Authors
Bell, L.K.
Leemaqz, S.
Devenish-Coleman, G.
Do, L.G.
Ha, D.
Scott, J.A.
Golley, R.K.
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Journal article
Citation
Public Health Nutrition, 2023; 26(12):2691-2703
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Lucinda K Bell, Shalem Leemaqz, Gemma Devenish-Coleman, Loc G Do, Diep Ha, Jane A Scott and Rebecca K Golley
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Abstract
OBJECTIVE: To develop and internally validate a Free Sugars Screener (FSS) for Australian children aged 2 and 5 years. DESIGN: Using data collected from a 99-item (2-year-olds) and 98-item (5-year-olds) Food Frequency Questionnaire in the Study of Mother's and Infant's Life Events affecting oral health (SMILE-FFQ), a regression-based prediction modelling approach was employed to identify a subset of items that accurately estimate total free sugars intake (FSI). The predictors were grams of free sugars (FSg) for individual items in the SMILE-FFQ and child's age and sex. The outcome variable was total FSI per person. To internally validate the SMILE-FSS items, the estimated FSg was converted to percent energy from free sugars (%EFS) for comparison to the WHO free sugars guideline categories (<5%, 5-<10%, ≥10%EFS) using cross-classification analysis. SETTING: Australia. PARTICIPANTS: 858 and 652 2- and 5-year-old children, respectively, with complete dietary (<5% missing) and sociodemographic data. RESULTS: 22- and 26-items were important in predicting FSI at 2 and 5 years, respectively. Items were similar between ages with more discretionary beverage items (e.g., sugar-sweetened beverages) at 5 years. %EFS was overestimated by 4.4% and 2.6%. Most children (75% and 82%) were categorised into the same WHO free sugars category with most (87% and 95%) correctly identified as having <10%EFS in line with the WHO recommendation. CONCLUSIONS: The SMILE-FSS has good internal validity and can be used in research and practice to estimate young Australian children's free sugars intake and compare to the WHO free sugars guidelines to identify those 'at risk'.
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Dissertation Note
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First published online 31 October 2023
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©The Author(s), 2023. Published by Cambridge University Press on behalf of The Nutrition Society. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.