relative validity of a food frequency questionnaire to identify dietary patterns in an adult mexican population
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ID: 255149
2016
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Abstract
Objective. To examine the validity of a semi-quantitative food frequency questionnaire (SFFQ) to identify dietary patterns in an adult Mexican population. Materials and methods. A 140-item SFFQ and two 24-hour dietary recalls (24DRs) were administered. Foods were categorized into 29 food groups used to derive dietary patterns via factor analysis. Pearson and intraclass correlations coefficients between dietary pattern scores identified from the SFFQ and 24DRs were assessed. Results. Pattern 1 was high in snacks, fast food, soft drinks, processed meats and refined grains; pattern 2 was high in fresh vegetables, fresh fruits, and dairy products; and pattern 3 was high in legumes, eggs, sweetened foods and sugars. Pearson correlation oefficients between the SFFQ and the 24DRs for these patterns were 0.66 (P<0.001), 0.41 (P<0.001) and 0.29 (P=0.193) respectively. Conclusions. Our data indicate reasonable validity of the SFFQ, using factor analysis, to derive major dietary patterns in comparison with two 24DR.
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| Reference Key |
denova-gutirrez2016saludrelative
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|---|---|
| Authors | ;Edgar Denova-Gutiérrez;Katherine L Tucker;Jorge Salmerón;Mario Flores;Simón Barquera |
| Journal | journal of anatomy |
| Year | 2016 |
| DOI |
10.21149/spm.v58i6.7842
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| URL | |
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