2013
DOI: 10.1590/0102-311x00120312
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Abstract: The purpose of the present study was to evaluate the reproducibility and relative validity and calibrate the dietary intake assessment of a food frequency questionnaire (FFQ) using a random sample of 195 adults aged 20 to 50 years from the Central-West Region of Brazil. The reference method used by the study was two 24-hour recalls (24hR) that provided energy-adjusted deattenuated food intake data for comparison purposes. With respect to reproducibility, the average weighted kappa was 0.43 and exact agreement … Show more

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Cited by 15 publications
(13 citation statements)
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“…The weighted kappa values showed reasonable agreement between the methods. These results are consistent with the literature data when it comes to food consumption [26][27][28].…”
Section: Discussionsupporting
confidence: 93%
“…The weighted kappa values showed reasonable agreement between the methods. These results are consistent with the literature data when it comes to food consumption [26][27][28].…”
Section: Discussionsupporting
confidence: 93%
“…Foi aplicado um questionário, por meio de entrevista pessoal, e foram aferidas as medidas antropométricas por entrevistadores treinados e padronizados. O questionário continha perguntas relacionadas às características sociodemográficas e de estilo de vida e um questionário de frequência alimentar (QFA) adaptado para adolescentes de Cuiabá 11 , o qual foi baseado em um QFA validado para adultos desta cidade 12 .…”
Section: Methodsunclassified
“…-Inadequate food consumption: food consumption was evaluated using an FFQ validated for adults of Cuiabá 22 , which was modified to be administered in adolescents 23 . The FFQ consisted of 76 food items, with up to three options of standard portions for reporting the quantities consumed and eight response options for consumption frequency, ranging from more than three times/day to never or almost never.…”
Section: E T H O D Smentioning
confidence: 99%