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Repeatability of a short food frequency questionnaire to assess calcium intake in older Australians
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نویسنده
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miller m. ,yeo y.c. ,khor m.j. ,clover e. ,magarey a.
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منبع
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journal of aging research - 2010 - دوره : 2010 - شماره : 0
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چکیده
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Objective. to assess the repeatability of the validated flinders calcium food frequency questionnaire (ffq ca) for estimating dietary calcium intake in a sample of community dwelling older australians. methods. a test-retest repeatability study involving 100 subjects (≥ 65 years) living independently in metropolitan adelaide,australia. estimates of daily calcium intake from the first (ffq ca1) and repeated administration (ffq ca2) were calculated from two versions (35-item and 15-item) of the ffq ca. the intraclass correlation coefficient (icc) was used to assess the repeatability. results. moderate and comparable icc values (r=0.5,r=0.6) were found across the two versions of the ffq ca. conclusion. both ffq ca versions demonstrated moderate repeatability,supporting the results of previous studies. copyright © 2010 michelle miller et al.
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آدرس
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nutrition and dietetics,clinical and molecular medicine,flinders university,gpo box 2100,adelaide, Australia, nutrition and dietetics,clinical and molecular medicine,flinders university,gpo box 2100,adelaide, Australia, nutrition and dietetics,clinical and molecular medicine,flinders university,gpo box 2100,adelaide, Australia, nutrition and dietetics,clinical and molecular medicine,flinders university,gpo box 2100,adelaide, Australia, nutrition and dietetics,clinical and molecular medicine,flinders university,gpo box 2100,adelaide, Australia
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Authors
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