Reproducibility and validity of a food frequency questionnaire designed to assess diet in children aged 4-5 years
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Otros documentos de la autoría: Vioque, Jesus; Giménez Monzó, Daniel; Navarrete-Muñoz, Eva María; Garcia de la Hera, Manuela; González-Palacios, Sandra; Rebagliato, Marisa; Ballester, Ferran; Murcia, Mario; Iñiguez, Carmen; Granado, Fernando; INMA-Valencia Cohort Study
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INVESTIGACIONMetadatos
Título
Reproducibility and validity of a food frequency questionnaire designed to assess diet in children aged 4-5 yearsAutoría
Fecha de publicación
2016Editor
Public Library of ScienceISSN
1932-6203Cita bibliográfica
Vioque J, Gimenez-Monzo D, NavarreteMuñoz EM, Garcia-de-la-Hera M, GonzalezPalacios S, Rebagliato M, et al. (2016) Reproducibility and Validity of a Food Frequency Questionnaire Designed to Assess Diet in Children Aged 4-5 Years. PLoS ONE 11(11): e0167338. doi:10.1371/journal.pone.0167338Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0167338Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Background
The food frequency questionnaire (FFQ) is the most efficient and cost-effective method to
investigate the relationship between usual diet and disease in epidemiologic studies.
Although FFQs have been ... [+]
Background
The food frequency questionnaire (FFQ) is the most efficient and cost-effective method to
investigate the relationship between usual diet and disease in epidemiologic studies.
Although FFQs have been validated in many adult populations worldwide, the number of
valid FFQ in preschool children is very scarce. The aim of this study was to evaluate the
reproducibility and validity of a semi-quantitative FFQ designed for children aged 4 to 5
years.
Materials and methods
In this study, we have included 169 children aged 4–5 years from the INMA project in Valencia,
a population-based prospective cohort study of mothers and children in Spain. The 105-
items FFQ was administered twice to the parents or care-givers of children over a 9-month
period. Reproducibility was explored by comparing intake of nutrients by the FFQs, while
validity was examined by comparing the nutrient values from the FFQs with the average
nutrient values of three 24 hour dietary recall (24hDR) taken in the period, and also, with the
concentration in blood specimens for several vitamins (carotenoids, folate, vitamin B12, vitamin
C and α-tocopherol). Pearson correlation coefficients and de-attenuated correlation
coefficients were calculated and we also evaluated misclassification by quintile distribution.
Results
All correlation coefficients for reproducibility for nutrients and major food groups were statistically
significant; the average correlation coefficients for daily intake were 0.43 for food groups and 0.41 for nutrients. The average correlation coefficients for validity for daily intakes
against 24hDR was r = 0.30, and the average for de-attenuated correlation coefficients was
r = 0.44. When evaluating validity against the blood concentration of vitamins, statistically significant
correlations were observed for vitamin C (0.35), lycopene (0.31), β-Cryptoxantin
(0.40), and vitamin E (0.29); the average of correlation coefficients was r = 0.21.
Conclusion
Despite some low to moderate correlations for reproducibility and validity, overall this study
suggests that the FFQ may be a good method for assessing a wide range of food groups
and nutrients intake in children aged 4–5 years. [-]
Publicado en
PLoS ONE 11(11): e0167338Derechos de acceso
info:eu-repo/semantics/openAccess
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