Proportion of dollars spent on 3 categories of food choices. Legend. Fats, oils, and sweets included food made of almost entirely fat or sugar such as regular soda, cookies, cakes, regular potato chips, and regular mayonnaise. Processed foods included food that was prepared with hydrogenated fats or cured meat such as bacon, hot dogs, bologna, and regular frozen meals. Low-fat/low-calorie substitutions included health-conscious choices, such as skim milk, diet soda, and baked chips, which indicated that the individual was attempting to lower his/her fat or caloric intake.