Edgar Denova?Gutiérrez|Ivonne Ramírez?Silva|Sonia Rodríguez?Ramírez|Alejandra Jiménez?Aguilar|Teresa Shamah?Levy|Juan Rivera?Dommarco
Validity of a food frequency questionnaire to assess food intake in Mexican adolescent and adult population
Hospital Infantil de México Federico Gómez|Instituto Nacional de Salud Pública|Instituto Nacional de Salud Pública|Instituto Nacional de Salud Pública|Instituto Nacional de Salud Pública|Instituto Nacional de Salud Pública
assess validity 140item semiquantitative food frequency questionnaire sffq mexican adolescents adultsdietary intakes using sffq two 24hour dietary recalls 24drs nonconsecutive days week measured 178 adolescents 230 adults participating mexican national health nutrition survey2012validity evaluated using correlation coefficients ccdeattenuated cc linear regression models crossclassification analysis blandaltman methodin adults deattenuated correlation coefficients sffq 24drs ranged 030 folate 061 saturated fat addition 63 adults 62 adolescents classified adjacent quartile nutrient intake comparing data sffq 24drsthe sffq moderate validity energy macronutrients micronutrients also good validity rank individuals according dietary intake different nutrients