"The questions asked were: How often do you eat: - Meat or meat products (ham, hamburgers, bologna, sausages, meat pat??s...) - Fish or fish products (fish fingers, shellfish, fish pat??s,...) - Milk or other dairy products like cheese, butter, yoghurts,??? - Eggs or products with eggs, such as pastry,??? The reply options were Never, Occasionally and Frequently ." . . . . .