Dietary Data Collection Methods

Food supply data Food supply data provide information on the type and amount of food available for human consumption to the country as a whole. The most common method of measuring this available food is through the use of food balance sheets. It is a method of indirectly estimating the amounts of food consumed by a country's population at a certain time. It provides data on food disappearance rather than on actual food consumption. It is calculated by using beginning and ending inventories, and the

Demographic features Environmental factors Genetic factors Physiological factors Sociocultural factors

Food preferences, cognitions and attitudes Health beliefs and practices

Food preferences, cognitions and attitudes Health beliefs and practices

Figure 2 A conceptual model of the relationships of food to health. (Life Sciences Research Office, Federation of American Societies for Experimental Biology. Nutrition Monitoring in the United States - An Updated Report on Nutrition Monitoring. Washington, D.C.: U.S. Government Printing Office, 1989.)

Drug or medication use

Nutrient interactions

Physical activity

Physiological status

Smoking

Non-food health factors

Infection

Nutrient

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