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Dietary assessment and validity: To measure what is meant to measure
Swedish Dairy Association (Svensk Mjolk), Stockholm, Sweden; Department of Medical Sciences, Nutrition Unit, Faculty of Medicine, Uppsala University, Uppsala, Sweden.
1998 (English)In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, Vol. 42, no 2, p. 63-65Article in journal (Refereed) Published
Abstract [en]

Nutritional assessment is the interpretation of information obtained from dietary, biochemical, anthropometric and clinical studies. In individuals, qualitative or quantitative food consumption data may be collected by food frequency questionnaires or interviews (retrospective methods), by use of food records (prospective methods); weighed food record, estimated food record or menu record, or by observations. Nutrient values derived from food composition data or direct chemical analysis represent the maximum available to the body and not the amount actually absorbed and utilized. The design of the study is crucial and the methods for carrying it out are aimed at minimizing bias to improve internal and external validity. This paper will focus on factors of importance to improve the internal validity of dietary assessment studies; selection of method; data collection, assessment of nutrient intakes from food consumption data and evaluation of data.

Place, publisher, year, edition, pages
1998. Vol. 42, no 2, p. 63-65
National Category
Other Health Sciences Nutrition and Dietetics
Research subject
Health Science
Identifiers
URN: urn:nbn:se:hig:diva-26341OAI: oai:DiVA.org:hig-26341DiVA, id: diva2:1195195
Available from: 2016-09-29 Created: 2018-04-04Bibliographically approved

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Lennernäs, Maria

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