Questionnaire responses
The majority (> 75%) of participants agreed that the virtual delivery app was representative of existing food delivery apps, and reported their orders where typical of what they would normally order. 20% of participants agreed that the food choices they made were influenced by how many calories they thought were in the food options and 33% agreed they were influenced by price. Over 60% of participants agreed with the use of calorie labelling and proportional pricing policies in the out of home food sector and tended to believe these policies would help people to make healthier choices (See online supplementary Material IV),