Validation and reproducibility of food frequency questionnaire for Korean genome epidemiologic study.
Yoonok Ahn,Eunhyang Kwon,Jae Eun Shim,M K Park,Youngchang Joo,K Kimm,Chulkee Park,Dong Hyun Kim +7 more
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TLDR
The FFQ developed appears to be an acceptable tool for assessing the nutrient intakes in this population and further studies for calibration of the FFQ collected from multicenters participating in the KoGES are needed.Abstract:
Validation and reproducibility of food frequency questionnaire for Korean genome epidemiologic studyread more
Citations
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Relative validity of a semi-quantitative food-frequency questionnaire in an elderly Mediterranean population of Spain.
Joan Fernández-Ballart,Josep Lluís Piñol,Itziar Zazpe,Dolores Corella,Paula Carrasco,Estefanía Toledo,Manuel Perez-Bauer,Miguel Ángel Martínez-González,Jorge Salas-Salvadó,Jose M. Martin-Moreno +9 more
TL;DR: FFQ measurements had good reproducibility and a relative validity similar to those of FFQ used in other prospective studies, according to the Pearson correlation coefficient and intraclass correlation coefficient.
Journal ArticleDOI
Cohort Profile: The Korean Genome and Epidemiology Study (KoGES) Consortium
Yeonjung Kim,Bok-Ghee Han +1 more
TL;DR: The aim of the KoGES was to investigate the genetic and environmental aetiology of common complex diseases in Koreans (i.e. T2DM, hypertension, obesity, metabolic syndrome, osteoporosis, CVD,and cancer) and causes of death with longterm follow-up, and develop comprehensive and applicable health care guidelines for common complex Diseases in Koreans.
Journal ArticleDOI
Statistical Methods Used to Test for Agreement of Medical Instruments Measuring Continuous Variables in Method Comparison Studies: A Systematic Review
TL;DR: This study finds that the Bland-Altman method is the most popular method used in agreement research, and there are still inappropriate applications of statistical methods in some studies.
Journal ArticleDOI
Relative validities of 3-day food records and the food frequency questionnaire
TL;DR: Two relative validities of 3-day FRs and the semi-quantitative FFQ appear to be acceptable as dietary assessment tools, but further studies for validating food intake by reliable biomarkers are necessary.
Journal ArticleDOI
Relationship of Sitting Time and Physical Activity With Non-Alcoholic Fatty Liver Disease
Seungho Ryu,Yoosoo Chang,Hyun Suk Jung,Kyung Eun Yun,Min-Jung Kwon,Yuni Choi,Chan-Won Kim,Juhee Cho,Byung-Seong Suh,Yong Kyun Cho,Eun Chul Chung,Hocheol Shin,Yeon Soo Kim +12 more
TL;DR: Prolonged sitting time and decreased physical activity level were positively associated with the prevalence of NAFLD in a large sample of middle-aged Koreans, supporting the importance of reducing time spent sitting in addition to promoting physical activity.
References
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Journal ArticleDOI
Reproducibility and validity of a semiquantitative food frequency questionnaire
Walter C. Willett,Walter C. Willett,Laura Sampson,Meir J. Stampfer,Meir J. Stampfer,Bernard Rosner,Chris Bain,Jelia C. Witschi,Charles H. Hennekens,Frank E. Speizer +9 more
TL;DR: Data indicate that a simple self-administered dietary questionnaire can provide useful information about individual nutrient intakes over a one-year period.
Journal ArticleDOI
Comparative Validation of the Block, Willett, and National Cancer Institute Food Frequency Questionnaires The Eating at America's Table Study
Amy F. Subar,Frances E. Thompson,Victor Kipnis,Douglas Midthune,Paul Hurwitz,Suzanne McNutt,Anna McIntosh,Simon Rosenfeld +7 more
TL;DR: Data show that the DHQ and the Block FFQ are better at estimating absolute intakes than is the Willett FFQ but that, after energy adjustment, all three are more comparable for purposes of assessing diet-disease risk.
Journal ArticleDOI
Sources of variance in 24-hour dietary recall data: implications for nutrition study design and interpretation.
G H Beaton,J Milner,P Corey,V McGuire,M Cousins,E Stewart,M de Ramos,David Hewitt,P V Grambsch,Neema Kassim,J. A. Little +10 more
TL;DR: A method for producing a laminated metal ribbon comprises vapor-depositing a third metal layer on at least one welding surface of a first metal ribbon 4 and a second metal ribbon 5 in a vacuum chamber 1.
Journal ArticleDOI
Reproducibility and validity of dietary assessment instruments i. a self-administered food use questionnaire with a portion size picture booklet
Pirjo Pietinen,Anne M. Hartman,Eliina Haapa,Leena Räsänen,Jaason Haapakoski,Juni Palmgren,Demetrius Albanes,Jarmo Virtamo,Jussi K. Huttunen +8 more
TL;DR: A self-administered food use questionnaire which included 276 food items and mixed dishes and a portion size picture booklet with 122 photographs was developed for a large lung cancer intervention trial among approximately 27,000 Finnish men aged 50-69 years indicates that it is useful for measuring individual or group intakes for a variety of nutrients.
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