We dichotomized physical activity as 2 i h or 1 h of activity/day based on recommendations from the Centers for Disease Control and prevention. Sleep duration. Participants self-reported their sleep duration with an item reading: "In a typical 24 h, how many hours of sleep do you get?" Eight response options ranged from"less than 5 h" to"11 or more hours. We categorized sleep duration as 9 h category, we ay and 9 h/day into a single collapsed the 7-9 category Fast food intake. Participants self-reported their fre- quency of eating foods from a fast food restaurant(ie KFC and dichotomized frequency of fast food intake as 21 servings serving week 49, 50] Sugar sweetened beverage intake. Participants self reported their intake of sugar sweetened beverages including soda and fruit drinks, using items from the dolescent Food Frequency Questionnaire[51]. dichotomized servings of sugar sweetened beverages 21 aylor servings day