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Dietary Assessment of Older Iowa Women with a Food Frequency Questionnaire: Nutrient Intake, Reproducibility, and Comparison with 24-Hour Dietary Recall Interviews
Abstract
The authors report the results of a dietary survey of 38,121 Iowa women, 55-69 years of age in 1986, based on a semiquantitative food frequency questionnaire previously tested among Boston-area women aged 34-59 years. The Iowa women, compared with the younger Boston-area women, consumed a similar amount of calories (1,767 vs. 1,844 kcal) and a similar amount of total calories from fat (35 vs. 37%) but had markedly greater intake of the following micronutrients after including supplement use: iron (+18%), calcium (+33%), vitamin A (+43%), riboflavin (+46%), thiamine (+50%), and pyridoxine (+122%). The reproducibility of the questionnaire was examined in two more administrations to 44 of the Iowa women in January and June of 1988. Reproducibility was highest for alcohol (Pearson's r = 0.99), caffeine (r = 0.95), and vitamin E (r = 0.90) and lowest for sucrose (r = 0.53), polyunsaturated fat (r = 0.56), and iron (r = 0.59). Micronutrient intakes were generally more reproducible than macronutrient intakes. The agreement between the June 1988 questionnaire and the average of five 24-hour dietary recalls was also assessed in the 44 subjects. The median correlations of energy-adjusted intake were as follows: for macronutrients, r = 0.45; for micronutrients without supplements, r = 0.33; and for micronutrients with supplements, r = 0.64. This food frequency questionnaire appears to be reasonably reproducible and accurate, so that its use may be extended to epidemiologic studies of older women with a broad range of socioeconomic backgrounds.
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“In addition, this validation study had an adequate sample size [15] similar to those used in previous studies [30,45-46].”
From Online dietary intake estimation: reproducibility and validity of the Food4Me Food frequency questionnaire against a 4-day weighed food record (2014) · cites this paper as [45]
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Subar, A. F., Thompson, F. E., Kipnis, V., Midthune, D., Hurwitz, P. E., McNutt, S., McIntosh, A., & Rosenfeld, S. (2001) · American Journal of Epidemiology · doi:10.1093/aje/154.12.1089 · Cited by 1,401
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Metadata
- Authors
- Munger, R. G., Folsom, A. R., Kushi, L. H., Kaye, S. A., & Sellers, T. A.
- Affiliations
- University of Iowa (US)
- University of Minnesota (US)
- Corresponding author
- Munger, Ronald G.
- Venue
- American Journal of Epidemiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1992-07-15
- Volume
- 136
- Issue
- 2
- Pages
- 192-200
- ISSN
- 0002-9262 (ISSN-L)
- 1476-6256
- OpenAlex
- W1894977589
- Cited by
- 353
- References
- 0
- Citations by year
- 2026: 7 · 2025: 1 · 2023: 4 · 2022: 4 · 2021: 33 · 2020: 6 · 2019: 6 · 2018: 8 · 2017: 8 · 2016: 3 · 2015: 5 · 2014: 7 · 2013: 12 · 2012: 12
- FWCI
- 9.60
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- American Journal of Epidemiology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Cancer Institute (R01 CA39742, R01CA039742)
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutrition and Health Studies
- Health Sciences › Nursing › Nutrition and Dietetics › Nutrition, Health and Food Behavior
- Keywords
- food frequency questionnaire, dietary assessment, reproducibility, 24-hour dietary recall, micronutrient intake, macronutrient intake, older women, dietary supplements, iron intake, calcium intake, vitamin intake, questionnaire validation, Iowa women
- MeSH terms
- Energy Intake, Evaluation Studies as Topic, Female, Humans, Interviews as Topic, Iowa, Middle Aged, Nutrition Surveys, Surveys and Questionnaires, Reproducibility of Results
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