Validation of a food frequency questionnaire to assess the consumption of carotenoids, fruits and vegetables among adolescents: the method of triads Validação de um questionário de frequência alimentar para avaliar o consumo de carotenóides, frutas e hortaliças: o método das tríades

Validation of a food frequency questionnaire to assess the consumption of carotenoids, fruits and vegetables among adolescents: the method of triads Validação de um questionário de frequência alimentar para avaliar o consumo de carotenóides, frutas e hortaliças: o método das tríades

The aim of this study was to validate the intake of carotenoids, fruits and vegetables estimated by the Food Frequency Questionnaire for Adolescents (FFQA) using the method of triads. Blood samples were collected from 80 elementary school adolescents to assess serum levels of β-carotene. Partial cor...

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Main Authors: Betzabeth Slater (Author), Carla Cristina Enes (Author), Rossana Verónica Mendoza López (Author), Nágila Raquel Teixeira Damasceno (Author), Silvia Maria Voci (Author)
Format: Book
Published: Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, 2010-11-01T00:00:00Z.
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