A composite of beef, pork, processed meat
B composite of milk, cream, ice-cream, yogurt, cheese
C composite of dark bread, brown rice, oatmeal, whole grain cereal, bran, wheat germ & other grains (bulgar, kasha, couscous)
D composite of rice, pasta, potatoes, refined cold breakfast cereal, muffins, snack foods, sweetened sodas, pizza, chocolate, cakes, cookies

For foods, expressed as servings per 1000 kcals,
Increasing protein intake was positively associated with servings of red meat, poultry, fish, dairy products and eggs, and
inversely associated with servings of refined grains [specifically white bread] and sweets and desserts.
Weak or modest associations were observed with servings of nuts/tofu/legumes, whole grains, and fruits and vegetables.