دورية أكاديمية
Validity of the Food Frequency Questionnaire Assessing the Folate Intake in Women of Reproductive Age Living in a Country without Food Fortification: Application of the Method of Triads
| العنوان: | Validity of the Food Frequency Questionnaire Assessing the Folate Intake in Women of Reproductive Age Living in a Country without Food Fortification: Application of the Method of Triads |
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| المؤلفون: | Zekovic, Milica, Djekic-Ivankovic, Marija, Nikolic, Marina, Gurinovic, Mirjana, Krajnović, Dušanka, Glibetic, Marija |
| المصدر: | Nutrients, 9(2):128 |
| سنة النشر: | 2017 |
| المجموعة: | Publisso (ZB MED-Publikationsportal Lebenswissenschaften) |
| مصطلحات موضوعية: | FFQ, folate, method of triads, validation, women |
| الوصف: | The study aimed to examine the external validity of the Folate Food Frequency Questionnaire (F-FFQ) designed for assessing the folate intake in Serbian women of reproductive age. The F-FFQ was tested against repeated 24 h dietary recalls and correspondent nutritional biomarkers (red blood cells (RBC) and serum folate concentrations) using the method of triads. In a cross sectional study, 503 women aged 18–49 years completed dietary questionnaires and representative validation subsample (n = 50) provided fasting blood samples for biomarker analyses. Correlation coefficients were calculated between each of the dietary methods and three pair-wise correlations were applied for the calculation of validity coefficients. Correlation coefficients observed between F-FFQ and three 24 h recalls were r = 0.56 (p < 0.001) and r = 0.57 (p < 0.001) for total sample and validation group, respectively. Bland–Altman plot and cross-classification analyses indicated good agreement between methods. High validity coefficients were determined between the true intake (I) and dietary assessment methods, F-FFQ (Q) and 24 h dietary recalls (R) (ρQIrbc = 0.871 and ρQIser = 0.814; ρRIrbc = 0.652 and ρRIser = 0.698), and moderate ones for biomarkers (B) (ρBIrbc = 0.428 and ρBIser = 0.421). The F-FFQ is valid instrument for the assessment of dietary folate intake in women living in Serbia, a country without mandatory folic acid food fortification. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | https://repository.publisso.de/resource/frl:6412413Test; https://dx.doi.org/10.3390/nu9020128Test; https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5331559Test/; https://www.mdpi.com/2072-6643/9/2/128#supplementaryTest |
| DOI: | 10.3390/nu9020128 |
| الإتاحة: | https://doi.org/10.3390/nu9020128Test https://repository.publisso.de/resource/frl:6412413Test https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5331559Test/ https://www.mdpi.com/2072-6643/9/2/128#supplementaryTest |
| حقوق: | https://creativecommons.org/licenses/by/4.0Test/ |
| رقم الانضمام: | edsbas.ABB3CCFD |
| قاعدة البيانات: | BASE |
| DOI: | 10.3390/nu9020128 |
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