Reliability and relative validity of an FFQ for nutrients in the Tehran lipid and glucose study.
Public Health Nutr
; 13(5): 654-62, 2010 May.
Article
em En
| MEDLINE
| ID: mdl-19807937
ABSTRACT
OBJECTIVE:
To describe the relative validity and reliability of the FFQ used for assessing nutrient intakes of participants in the Tehran Lipid and Glucose Study (TLGS).DESIGN:
A total of 132 subjects (sixty-one males and seventy-one females) were included in the study. Dietary data were collected monthly by means of twelve 24 h dietary recalls (24hDR). Subjects completed two, 168-item semi-quantitative FFQ. Blood and urine samples were taken every season for measurement of plasma biomarkers and urinary N and K.RESULTS:
Mean age and BMI of the participants were 35.5 (sd 16.8) years and 25.5 (sd 5.2) kg/m2, respectively. The mean energy-adjusted and deattenuated correlation coefficients for overall nutrient intake between the 24hDR and FFQ2 were 0.44 and 0.37 inCONCLUSIONS:
The FFQ developed for the TLGS has reasonable relative validity and reliability for nutrient intakes in Tehranian adults.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Potássio
/
Inquéritos sobre Dietas
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Inquéritos e Questionários
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Comportamento Alimentar
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Nitrogênio
Tipo de estudo:
Diagnostic_studies
/
Etiology_studies
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Prognostic_studies
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Risk_factors_studies
Limite:
Adult
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Female
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Humans
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Male
País como assunto:
Asia
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article