Fig. 4From: A randomized controlled trial examining consumers’ perceptions and opinions on using different versions of a FoodFlip© smartphone application for delivery of nutrition information7-point Likert scale responses on the functionality of the FoodFlip© smartphone application. Functionality was defined as the operability of app according to its purpose or design and in this study, measures the user-evaluated reliability of the nutritional information and comparisons of products. Four statements were used in assessing the functionality of the app: a ‘the app provided me with information I can use’, b ‘the app was believable’, c ‘the app helped me in understand the nutrient levels’, and d ‘the app helped me compare the healthiness between similar products’. 7-point Likert scale ratings corresponded to completely disagreed (1) to completely agree (7)Back to article page