Supplemental Table 1. The ten most commonly consumed foods in each breakfast pattern consumed by children 2–18 years of age participating in NHANES 2001–2008.

Cluster	Cluster Name	10 Most Commonly Consumed Foods in Cluster (n=consumers)
1	Gr/LFM/Sweets/FJ	2% milk (n = 511), whole milk (n = 466), pancakes (n = 338), orange juice (n = 336), syrup blends (n = 246), waffle (n = 237), apple juice (n = 227), white toast (n = 180), jelly (n = 179), 100% maple syrup (n = 177)
2	No Breakfast
3	PSRTEC/LFM	2% milk (n = 1136), 1% milk (n = 211), Froot Loops (n = 166), non-fat milk (n = 155), Frosted Flakes (n = 144), Honey Nut Cheerios (n = 129), Cinnamon Toast Crunch (n = 103), Lucky Charms (n = 100), Orange Juice (n = 99), Fruity Pebbles (n = 81)
4	Gr	Breakfast tart (n = 145), 2% milk (n = 58), table sugar (n = 47), waffle (n=45), white toast (n = 40), cake doughnut (n = 39), soup—mostly noodles (n = 38), sweet roll (n = 38), yeast doughnut (n = 38), pancakes (n = 34)
5	Eggs/Gr/MPF/FJ	Eggs—omelet or scrambled with fat (n = 253), fried egg (n = 196), whole milk (n = 154), eggs—omelet or scrambled with cheese (n = 142), orange juice (n = 125), white toast (n = 123), bacon (n = 116), eggs—omelet or scrambled without fat (n = 116), 2% milk (n = 112), Eggs—omelet or scrambled NS with fat (n = 76)
6	PSRTEC/Whole Milk	Whole milk (n = 1065), Froot Loops (n = 171), Frosted Flakes (n = 127), milk NFS (n = 74), Lucky Charms (n = 67), Honey Nut Cheerios (n = 65), Apple Jacks (n = 61), orange juice (n = 58), Cocoa Puffs (n = 56), Fruity Pebbles (n = 55)
7	RTEC/LFM	2% milk (n = 381), Cheerios (n = 141), 1% milk (n = 95), table sugar (n = 75), Corn flakes (n = 75), Rice Krispies (n = 66), banana (n = 52), non-fat milk (n = 52), Kix (n = 40), orange juice (n = 33)
8	Soft Drink/FJ/Gr/Potatoes	2% milk (85), orange juice (n = 83), hash browns (n = 63), cola (n = 60), fruit juice drink (n = 59), low-fat fruit yogurt (n = 51), ketchup (n = 51), whole milk (n = 48), orange juice (n = 47), vitamin fortified fruit drink (n = 47)
9	RTEC/Whole Milk	Whole milk (n = 656), Cheerios (n = 112), corn flakes [Kellogg's] (n = 110), table sugar (n = 97), banana (n = 50), milk NFS (n = 48), corn flakes NFS (n = 40), Rice Krispies (n = 39), Kix (n = 38), orange juice (n = 28)
10	MPF/Gr/FJ	Ketchup (n = 75), whole milk (n = 69), bacon (n = 58), pork sausage (n = 53), orange juice (n = 49), white bread (n = 46), sausage on biscuit (n = 41), apple juice (n = 39), jelly (n = 37), pancakes (n = 36)
11	Cooked Cereal/Milk/FJ	Instant oatmeal no fat added in cooking (n = 181), sugar (n = 79), 2% milk (n = 60), whole milk (n = 57), regular oatmeal no fat added in cooking (n = 48), quick cooking oatmeal no fat added in cooking (n = 37), orange juice (n = 20), instant oatmeal fat added in cooking (n = 19), brown sugar (n = 19), orange juice with calcium (n = 17)
12	Whole Fruit	Apple (n = 39), banana (n = 36), orange (n = 12), NS grapes (n = 8), strawberries (n = 6), mango (n = 3), tangerine (n = 3), NS applesauce (n = 3), table sugar (n = 3), pear (n = 2)

Abbreviations: Gr = Grain; LFM = lower fat milk; FJ = fruit juice; PSRTEC = presweetened ready-to-eat cereal; RTEC = ready-to-eat cereal; MPF = meat, poultry, fish; NS = not specified; NFS = not further specified. In 10 most commonly consumed foods, all milk refers to cow's fluid milk; all eggs are chicken eggs; bacon is pork bacon.