“…Thirty-four studies reported on food intake, generally located in high and middle income countries [30-37, 39, 41, 42, 45-47, 49-52, 54-62, 64-70]. The most common outcome was consumption of a food group or an amount of food as a binary outcome per day/ week [37,41,55,56,58,59,65,69,70]. Other commonly used outcome measures included expenditure or frequency of consumption in a specified time period [33,36,45,47,52,54,60,61,[66][67][68] or share of calories or calorie intake from food groups [31,32,39,49,51,52].…”