Reproducibility of a food frequency questionnaire for adolescents Reprodutibilidade de um questionário de freqüência alimentar para adolescentes
To assess the reproducibility of a validated 76-item food frequency questionnaire designed to estimate diet in adolescents (Adolescent Food Frequency Questionnaire - AFFQ) in the city of Sao Paulo, Brazil, a test-retest study was conducted (n = 49). Intraclass correlation coefficient (ICC), weighted...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz
2007-09-01
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Series: | Cadernos de Saúde Pública |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2007000900026 |