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Table 1 Main categories and subcategories

From: Barriers and facilitators to successful implementation of sustainable school meals: a qualitative study of the OPTIMAT™-intervention

Experiences with the new menu The meaning of diet sustainability Factors influencing plant-based food acceptance Opportunities to increase plant-based eating Need for a supportive environment to achieve dietary change
Variations in how the new menu was received A broad and varied understanding of diet sustainability The decisive role of taste, appearance, smell and recognition Focusing on familiar foods and naming dishes carefully More knowledge, resources and inspiration
A challenging experience to work with the new menu Diet sustainability important but hard to realize Habits, peer pressure and fears challenging acceptance Increasing exposure, normalisation and motivation Increased stakeholder involvement
    Gradual and realistic changes are key