Test-retest reliability and construct validity of Toddler NutriSTEP (registered trademark)

Whyte, Kylie
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University of Guelph

This research represents phase C in the development of Toddler NutriSTEP® (Nutrition Screening Tool for Every Preschooler). NutriSTEP® is a valid and reliable screening tool designed to assess nutritional risk in preschoolers (3-5 years). A draft toddler (18-35 months) version of NutriSTEP® has recently been developed because of an expressed need. Convenience samples of caregivers were recruited across Ontario to assess the test-retest reliability and construct validity of the tool. Test-retest reliability was assessed based on total score and attribute scores using paired sample t-tests and intraclass correlation coefficients; individual questions were assessed using Wilcoxcon signed rank tests and kappa statistics. Construct validity was assessed through comparison of high-risk groups to Toddler NutriSTEP® scores, as well as through exploratory and confirmatory factor analyses. Toddler NutriSTEP® was found to be test-retest reliable and construct valid, and therefore may be used to assess nutritional risk in Canadian toddlers.

Toddler NutriSTEP, NutriSTEP, Toddler, Nutrition, Nutrition risk screening, Nutrition screening tool, screening tool, Toddler nutrition