Relative Validity of Micronutrient and Fiber Intake Assessed With Two New Interactive Meal- and Web-Based Food Frequency Questionnaires

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Relative Validity of Micronutrient and Fiber Intake Assessed With Two New Interactive Meal- and Web-Based Food Frequency Questionnaires

Christensen, S. E. (författare): Karolinska Institutet

Moller, E. (författare): Karolinska Inst, Dept Med Epidemiol & Biostat, SE-17177 Stockholm, Sweden.

Bonn, S. E. (författare): Karolinska Institutet

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Ploner, A. (författare): Karolinska Institutet

Bälter, Olle (författare): KTH,Medieteknik och interaktionsdesign, MID

Lissner, Lauren, 1956 (författare): Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine,Univ Gothenburg, Dept Publ Hlth & Community Med, Gothenburg, Sweden.

Bälter, Katarina (författare): Karolinska Institutet

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Karolinska Institutet Karolinska Inst, Dept Med Epidemiol & Biostat, SE-17177 Stockholm, Sweden (creator_code:org_t)

2014-02-21
2014
Engelska.
Ingår i: Journal of Medical Internet Research. - : JMIR Publications Inc.. - 1438-8871. ; 16:2

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Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

Stäng

Background: The meal-and Web-based food frequency questionnaires, Meal-Q and MiniMeal-Q, were developed for cost-efficient assessment of dietary intake in epidemiological studies. Objective: The objective of this study was to evaluate the relative validity of micronutrient and fiber intake assessed with Meal-Q and MiniMeal-Q. The reproducibility of Meal-Q was also evaluated. Methods: A total of 163 volunteer men and women aged between 20 and 63 years were recruited from Stockholm County, Sweden. Assessment of micronutrient and fiber intake with the 174-item Meal-Q was compared to a Web-based 7-day weighed food record (WFR). Two administered Meal-Q questionnaires were compared for reproducibility. The 126-item MiniMeal-Q, developed after the validation study, was evaluated in a simulated validation by using truncated Meal-Q data. Results: The study population consisted of approximately 80% women (129/163) with a mean age of 33 years (SD 12) who were highly educated (130/163, 80% with >12 years of education) on average. Cross-classification of quartiles with the WFR placed 69% to 90% in the same/adjacent quartile for Meal-Q and 67% to 89% for MiniMeal-Q. Bland-Altman plots with the WFR and the questionnaires showed large variances and a trend of increasing underestimation with increasing intakes. Deattenuated and energy-adjusted Spearman rank correlations between the questionnaires and the WFR were in the range rho=.25-.69, excluding sodium that was not statistically significant. Cross-classifications of quartiles of the 2 Meal-Q administrations placed 86% to 97% in the same/adjacent quartile. Intraclass correlation coefficients for energy-adjusted intakes were in the range of .50-.76. Conclusions: With the exception of sodium, this validation study demonstrates Meal-Q and MiniMeal-Q to be useful methods for ranking micronutrient and fiber intake in epidemiological studies with Web-based data collection.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences (hsv//eng)

Nyckelord

validity
reproducibility
FFQ
micronutrients
weighed food record
Internet
adult
DIETARY ASSESSMENT METHODS
CORRELATION-COEFFICIENTS
STATISTICAL-METHODS
VALIDATION
EPIDEMIOLOGY
RECALL
REPRODUCIBILITY
AGREEMENT
VITAMINS
DESIGN
validity

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Av författaren/redakt...: Christensen, S. ...; Moller, E.; Bonn, S. E.; Ploner, A.; Bälter, Olle; Lissner, Lauren, ...; visa fler...; Bälter, Katarina; visa färre...

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Av lärosätet: Göteborgs universitet; Mälardalens universitet; Kungliga Tekniska Högskolan; Karolinska Institutet

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