Reproducibility of a food frequency questionnaire for adolescents Reprodutibilidade de um questionário de freqüência alimentar para adolescentes

• Main Authors: Dirce Maria Lobo Marchioni (Author), Silvia Maria Voci (Author), Flávia Emília Leite de Lima (Author), Regina Mara Fisberg (Author), Betzabeth Slater (Author)
• Format: Book
• Published: Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, 2007-09-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

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...