Further, in the sandwiches, wraps and rolls, where a differential effect of 176 g/week (CI −16–367) was observed in intervention schools which just failed to reach significance ( p = 0.07), vegetable sales increased by 93% in intervention schools and by 30% in control schools. 3.5.2.
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Effectiveness of a Multi-Strategy Behavioral Intervention to Increase Vegetable Sales in Primary School Canteens: A Randomized Controlled Trial.
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