Development and validation of a food frequency questionnaire (FFQ-Porto Alegre) for adolescent, adult and elderly populations from Southern Brazil Desenvolvimento e validação de um questionário de freqüência alimentar (QFA-Porto Alegre) para a população de adolescentes, adultos e idosos do Sul do Brasil

This study assessed the validity of a food frequency questionnaire (FFQ-Porto Alegre), covering 135 food items, in comparison with the average of two consecutive 24-hour dietary recall questionnaires for adolescents, adults, and elderly who were randomly selected from a population-based survey. The...

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Bibliographic Details
Main Authors: Ruth Liane Henn, Sandra Costa Fuchs, Leila Beltrami Moreira, Flavio Danni Fuchs
Format: Article
Language:English
Published: Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz 2010-11-01
Series:Cadernos de Saúde Pública
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2010001100008