“…At the start of snack, the trained observer recorded the brand name(s), size, and packaging, where appropriate, of the foods and beverages served as snack for that day. Foods and beverage items served as snacks were classified according to existing categories for snacks and beverages [13,31], sugar-sweetened beverages (e.g., soda, powered drink mixed, sport drinks), dairy food unsweetened (e.g., string cheese), dairy food sweetened (e.g., Trix® yogurt), milk unsweetened (nonfat, 1 %, 2 %, and whole), milk sweetened (e.g., chocolate, strawberry), 100 % fruit juice, salty flavored snacks (e.g., Doritos®, Chex Mix®), salty unflavored snacks (e.g., pretzels, plain corn tortilla chips), desserts (e.g., cookies, Pop-Tarts®), candy (e.g., chocolate, frozen treats), nonfruit fruit (e.g., Fruit Roll-Ups®; fruit leather), prepackaged fruit (e.g., applesauce, fruit in syrup), cereal sugar-sweetened (e.g., Fruit Loops®); cereal unsweetened (e.g., Cheerios®), and fruits and vegetables (e.g., fresh, frozen, dried) recorded separately. Water was recorded if programs provided water in cups or bottles during snack time.…”