Reproducibility, relative validity and calibration of a food frequency questionnaire for adults
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...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz
2013-09-01
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Series: | Cadernos de Saúde Pública |
Subjects: | |
Online Access: | http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0102-311X2013001300018&lng=en&tlng=en |