Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

Michelle Miller; Yee Chi Yeo; May Jiun Khor; Emma Clover; Anthea Magarey

doi:10.4061/2010/905056

Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

Michelle Miller, Yee Chi Yeo, May Jiun Khor, Emma Clover, Anthea Magarey

College of Nursing and Health Sciences

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

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.

Original language	English
Article number	905056
Number of pages	5
Journal	Journal of Aging Research
Volume	2010
DOIs	https://doi.org/10.4061/2010/905056
Publication status	Published - 2010

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abstract = "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.",

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AU - Miller, Michelle

AU - Yeo, Yee Chi

AU - Khor, May Jiun

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AU - Magarey, Anthea

PY - 2010

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N2 - 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.

AB - 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.

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Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

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