Retrospective assessment of dietary intake

Thomas E. Rohan, John D. Potter

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

In studying the role of diet in chronic disease etioiogy, measurement of past intake may be of more relevance than measurement of that existing either at the time of or just preceding the clinicai onset of disease. in 1983, in metropolitan Adelaide, South Austraiia, estimates of current and previous dietary intake were obtained, by use of a semiquantitative food frequency questionnaire, from 70 individuals (37 male, 33 female), from each of whom an estimate of intake, using the same questionnaire, had been obtained three years eariler. Over this three-year period, median nutrient and energy intake had deciined. In relative, if not absolute terms, individuais were able to make satisfactory retrospective estimates of original nutrient and energy intake; however, their retrospective estimates appeared to have been infiuenced by their current intakes. Nevertheless, the strong correlations observed between retrospective and original estimates of intake suggest that the semiquantitative food frequency method of retrospective dietary assessment allows a reliabie relative ranking of individuals by nutrient intake within a population.

Original languageEnglish (US)
Pages (from-to)876-887
Number of pages12
JournalAmerican Journal of Epidemiology
Volume120
Issue number6
StatePublished - Dec 1984
Externally publishedYes

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Food
Energy Intake
Chronic Disease
Diet
Population
Surveys and Questionnaires

Keywords

  • Diet
  • Food habits
  • Questionnaires
  • Retrospective studies

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Epidemiology

Cite this

Retrospective assessment of dietary intake. / Rohan, Thomas E.; Potter, John D.

In: American Journal of Epidemiology, Vol. 120, No. 6, 12.1984, p. 876-887.

Research output: Contribution to journalArticle

Rohan, Thomas E. ; Potter, John D. / Retrospective assessment of dietary intake. In: American Journal of Epidemiology. 1984 ; Vol. 120, No. 6. pp. 876-887.
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