Open Access Research article

A Taiwanese food frequency questionnaire correlates with plasma docosahexaenoic acid but not with plasma eicosapentaenoic acid levels: questionnaires and plasma biomarkers

Kuo-Liong Chien12*, Meei-Shyuan Lee3, Yi-Tsen Tsai1, Pey-Rong Chen4, Hung-Ju Lin2, Hsiu-Ching Hsu2, Yuan-The Lee25 and Ming-Fong Chen2

Author Affiliations

1 Institute of Epidemiology and Preventive Medicine, College of Public School, National Taiwan University, Taipei, Taiwan

2 Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan

3 School of Public Health, National Defense Medical Center, Taipei, Taiwan

4 Department of Dietetics, National Taiwan University Hospital, Taipei, Taiwan

5 Chinese Medical University Hospital, Taichung, Taiwan

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BMC Medical Research Methodology 2013, 13:23  doi:10.1186/1471-2288-13-23

Published: 16 February 2013

Additional files

Additional file 1:

A translation of the Chinese version of the 32-item FFQ.

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Additional file 2: Table S1:

Literature review comparing measures of dietary fatty acid intake by biochemical indicators, food frequency questionnaire (FFQ) and diet record (DR) methods. Table S2: Spearman correlation coefficients between the dietary fish and fatty acids by absolute intake (g/day) food-frequency questionnaire and plasma fatty acid components (g) in the study participants, after adjusting for age, gender and total energy intake. Table S3: Spearman correlation coefficients between the dietary fish and fatty acids by the percentage of total energy intake in the food-frequency questionnaire and plasma fatty acid concentrations in the study participants, after adjusting for age and gender.

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