The 'Schools Don't Waste' Program: A Theory-Informed Participatory Intervention to Reduce Plate Waste in Public School Canteens.

Nutrients · 2026 · PMC13029184 · PMID 41901060

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did not reach statistical significancep = 0.436not close (p > 0.1)

a clear trendno p-value reported

Although the increase in the proportion of meals fully consumed (Δ = +4.01) did not reach statistical significance (Z = −0.778; p = 0.436; r = −0.13), a clear trend toward reducing the amount of plate waste was observed ( Table 3 ).

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a positive trendno p-value reported

The association between the level of implementation of planned actions and the reduction in food waste was not statistically significant, although a positive trend in this relationship was observed.

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