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EVALUATION OF TWO FOOD FREQUENCY METHODS OF MEASURING DIETARY CALCIUM INTAKE

CUMMINGS, STEVEN R., BLOCK, GLADYS, McHENRY, KATHY, BARON, ROBERT B.·1987·American Journal of Epidemiology

Abstract

To assess the ability of food frequency methods to measure current dietary calcium intake in elderly women, the authors administered two types of food frequency instruments to 37 randomly selected women who attended two senior citizens centers in San Francisco, and they compared those responses to seven-day food records. A 34-item food frequency instrument (with portion sizes rated as small, medium, or large) correlated well (r = 0.76) with the estimated calcium intake from seven-day records. Limiting the instrument to the top 15, 10, or five foods that contribute to dietary calcium intake had little effect on this correlation (r = 076, 0.75, and 0.67, respectively). Rating all portions as "medium" reduced these correlations somewhat. An 18-item instrument, which asks respondents to rate portion sizes in ounces or cups, did not correlate as well with the seven-day records (r = 0.49). The authors conclude that brief food frequency instruments which rate portion sizes on a simple qualitative scale may be suitable for many clinical uses and adequate for some types of epidemiologic studies of calcium intake in elderly women.

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Metadata

Authors
CUMMINGS, S. R., BLOCK, G., McHENRY, K., & BARON, R. B.
Venue
American Journal of Epidemiology
Published
1987-11
Volume
126
Issue
5
Pages
796-802
ISSN
  • 0002-9262 (ISSN-L)
  • 1476-6256
OpenAlex
W1916392348
Cited by
296
References
0
FWCI
10.79
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: EVALUATION OF TWO FOOD FREQUENCY METHODS OF MEASURING DIETARY CALCIUM INTAKE. https://app.cochat.ai/papers/10.1093/oxfordjournals.aje.a114716
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CUMMINGS, S. R., BLOCK, G., McHENRY, K., & BARON, R. B. (1987). EVALUATION OF TWO FOOD FREQUENCY METHODS OF MEASURING DIETARY CALCIUM INTAKE. American Journal of Epidemiology. https://doi.org/10.1093/oxfordjournals.aje.a114716

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