Effects of varying recall periods on reported food intakes

Worsley, Anthony 1991, Effects of varying recall periods on reported food intakes, Appetite, vol. 16, no. 1, pp. 69-82, doi: 10.1016/0195-6663(91)90113-7.

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Title Effects of varying recall periods on reported food intakes
Author(s) Worsley, AnthonyORCID iD for Worsley, Anthony orcid.org/0000-0002-4635-6059
Journal name Appetite
Volume number 16
Issue number 1
Start page 69
End page 82
Total pages 14
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 1991-02
ISSN 0195-6663
Keyword(s) Adult
Analysis of Variance
Discriminant Analysis
Mental Recall
Random Allocation
Surveys and Questionnaires
Time Factors
Science & Technology
Life Sciences & Biomedicine
Behavioral Sciences
Nutrition & Dietetics
Summary A 32-item food frequency questionnaire was administered with different time periods over which intake frequencies were to be recalled. In replicate Studies 1 and 2, 154 students were randomly allocated to six recall periods, ranging from the "the past 3 days" through to "the past year" and "usual intake". Perceived "oftenness" of intake was estimated on seven-point ratings. In Study 3, 78 students were randomly allocated to five short recall periods, e.g. last weekend, the past 5 days. In addition to rating "oftenness", they estimated their frequencies of intake numerically. In the first two studies, recall period was related to "oftenness" ratings in three ways. Responses for some foods (mainly snacks) were unaffected by recall period; others (mainly staples) were monotonically related to the requested duration of the recall; and, for a third set of foods, periods greater than one month (including "usual intake") yielded equivalent ratings but these were greater frequencies than those associated with shorter recall periods. In Study 3, marked differences were seen between frequency ratings over "average" durations and those over recent periods of similar duration. Correlations between numerical frequency estimates and "oftenness" ratings were high. The implications of the results for uses of food frequency methodology in nutritional epidemiology are discussed.
Language eng
DOI 10.1016/0195-6663(91)90113-7
Field of Research MD Multidisciplinary
HERDC Research category CN.1 Other journal article
Copyright notice ©1991, Academic Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30100168

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