Validity of a food frequency questionnaire to assess food intake in Mexican adolescent and adult population

• Main Authors: Edgar Denova-Gutiérrez (Author), Ivonne Ramírez-Silva (Author), Sonia Rodríguez-Ramírez (Author), Alejandra Jiménez-Aguilar (Author), Teresa Shamah-Levy (Author), Juan A Rivera-Dommarco (Author)
• Format: Book
• Published: Instituto Nacional de Salud Pública, 2016-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objective. To assess the validity of a 140-item semi-quantitative food frequency questionnaire (SFFQ), in Mexican adolescents and adults. Materials and methods. Dietary intakes using a SFFQ and two 24-hour dietary recalls (24DRs),in nonconsecutive days during the same week were measured from 178 ado...