Abstract
The objective of this cross-sectional study was to compare dietary reports from a
food frequency questionnaire (FFQ) for US Chinese women with 24-hour recall estimates.
The subjects were 56 women recruited through organizations in Philadelphia’s Chinese
community. Spearman correlations were used to describe FFQ estimates of food servings
per month and nutrient intake per day vs estimates from three 24-hour recalls over
1 month. On average, women reported at least weekly consumption of 28 of 96 FFQ food
items. The three most frequently consumed were rice (38 times/month), tea (29 times/month),
and dark green, leafy vegetables (18 times/month). Comparing reported frequencies
of the 28 foods to 24-hour recall estimates, the median Spearman correlation was 0.36.
For nutrient estimates, correlations were high (r>0.5) for dietary fiber and calcium; moderate (r=0.25 to 0.5) for energy, saturated fat, cholesterol, carbohydrates, protein, folic
acid, and iron; but poor (r<0.25) for total fat, vitamin C, vitamin A, and carotene. These findings provide some
assurance of the FFQ’s adequacy for describing US Chinese women’s intake of commonly
consumed foods and selected nutrients. They also provide a basis for further improvements
to, and evaluations of, the FFQ.
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Biography
M. Tseng is an associate member of the Fox Chase Cancer Center Philadelphia, PA. T. Hernández is president of Health Technomics, Inc, Annandale, VA.
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© 2005 American Dietetic Association. Published by Elsevier Inc. All rights reserved.
