Design and validation of a food frequency questionnaire (FFQ) for the nutritional evaluation of food intake in the Peruvian Amazon

• Main Authors: María García Rodríguez (Author), Manuel Romero Saldaña (Author), José Manuel Alcaide Leyva (Author), Rafael Moreno Rojas (Author), Guillermo Molina Recio (Author)
• Format: Book
• Published: BMC, 2019-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Food frequency questionnaires (FFQs) are dietary surveys widely used in studies of nutritional epidemiology because they are inexpensive, easy to complete and provide significant information on dietary intake over a long period of time. FFQs should be written specifically for eac...