ArticleNutrients2026
Immediate Effects of Brief Exposure to the Healthy Eating Plate on Adults' Nutrition Knowledge: A Cross-Sectional Survey.
Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe Healthy Eating Plate is a graphical presentation of Polish healthy eating recommendations introduced in 2020. This study evaluated the extent to which the model and its accompanying materials improve adults' short-term recall and comprehension of healthy eating principles. MATERIALS AND
methodsA cross-sectional online survey was conducted in Poland (19-30 September 2025) using the MNForce Poland research panel. The sample comprised 200 adults aged 18-65 years. Participants completed an author-developed questionnaire including demographics, a pretest, exposure to the Healthy Eating Plate and the "In 3 Steps to Health" material, an immediate post-test aligned thematically with the pretest, and items evaluating perceptions of the Healthy Eating Plate.
resultsThe overall knowledge index increased from 64.3% (SD 17.6) pre-exposure to 81.0% (SD 19.4) post-exposure, representing a 16.7 percentage-point improvement. This increase in short-term knowledge scores was statistically significant. The largest residual knowledge deficit concerned identifying the components of a balanced meal (38.0% correct post-test). The highest post-test performance was observed for recommendations on increasing whole-grain intake and reducing salt consumption to 5 g/day (both 91.5%). Baseline knowledge was associated with prior use of dietetic services and with self-assessed knowledge.
conclusionsExposure to the Healthy Eating Plate and accompanying materials resulted in significant immediate improvements in recall and comprehension of healthy eating recommendations. These findings reflect short-term knowledge transfer under real-world dissemination conditions and should not be interpreted as evidence of sustained learning or behavioural impact, while highlighting the need to strengthen communication of the balanced-meal concept.
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