Methodology for estimating dietary data from the semi-quantitative food frequency questionnaire of the Mexican National Health and Nutrition Survey 2012

To describe the methodology used to clean up and estimate dietary intake (DI) data from the Semi-Quantitative Food Frequency Questionnaire (SFFQ) of the Mexican National Health and Nutrition Survey 2012. DI was collected through a shortterm SFFQ regarding 140 foods (from October 2011 to May 2012). E...

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Bibliographic Details
Published in:Salud pública de México 2016-12, Vol.58 (6), p.629-638
Main Authors: Ramírez-Silva, Ivonne, Jiménez-Aguilar, Alejandra, Valenzuela-Bravo, Danae, Martinez-Tapia, Brenda, Rodríguez-Ramírez, Sonia, Gaona-Pineda, Elsa Berenice, Angulo-Estrada, Salomón, Shamah-Levy, Teresa
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Child
Child, Preschool
Diet
Energy Intake
Health Policy & Services
Humans
macronutrients
methodology
Mexico
micronutrients
Middle Aged
Nutrition Surveys - methods
Time Factors
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Summary:To describe the methodology used to clean up and estimate dietary intake (DI) data from the Semi-Quantitative Food Frequency Questionnaire (SFFQ) of the Mexican National Health and Nutrition Survey 2012. DI was collected through a shortterm SFFQ regarding 140 foods (from October 2011 to May 2012). Energy and nutrient intake was calculated according to a nutrient database constructed specifically for the SFFQ. A total of 133 nutrients including energy and fiber were generated from SFFQ data. Between 4.8 and 9.6% of the survey sample was excluded as a result of the cleaning process.Valid DI data were obtained regarding energy and nutrients consumed by 1 212 pre-school children, 1 323 school children, 1 961 adolescents, 2 027 adults and 526 older adults. We documented the methodology used to clean up and estimate DI from the SFFQ used in national dietary assessments in Mexico.
ISSN:0036-3634
1606-7916
DOI:10.21149/spm.v58i6.7974