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Beverage Intake Assessment Questionnaire: Relative Validity and Repeatability in a Spanish Population with Metabolic Syndrome from the PREDIMED-PLUS Study.
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- المؤلفون: Ferreira-Pêgo, Cíntia1,2 ; Nissensohn, Mariela2,3 ; Kavouras, Stavros A.4 ; Babio, Nancy1,2 ; Serra-Majem, Lluís2,3 ; Águila, Adys Martín5 ; Mauromoustakos, Andy6 ; Pérez, Jacqueline Álvarez2,3 ; Salas-Salvadó, Jordi1,2
- المصدر:
Nutrients. Aug2016, Vol. 8 Issue 8, p475. 13p.
- الموضوع:
- معلومة اضافية
- الموضوع:
- نبذة مختصرة :
We assess the repeatability and relative validity of a Spanish beverage intake questionnaire for assessing water intake from beverages. The present analysis was performed within the framework of the PREDIMED-PLUS trial. The study participants were adults (aged 55-75) with a BMI 5*27 and <40 kg/m2, and at least three components of Metabolic Syndrome (MetS). A trained dietitian completed the questionnaire. Participants provided 24-h urine samples, and the volume and urine osmolality were recorded. The repeatability of the baseline measurement at 6 and 1 year was examined by paired Student's t-test comparisons. A total of 160 participants were included in the analysis. The Bland-Altman analysis showed relatively good agreement between total daily fluid intake assessed using the fluid-specific questionnaire, and urine osmolality and 24-h volume with parameter estimates of -0.65 and 0.22, respectively (R² = 0.20; p < 0.001). In the repeatability test, no significant differences were found between neither type of beverage nor total daily fluid intake at 6 months and 1-year assessment, compared to baseline. The proposed fluid-specific assessment questionnaire designed to assess the consumption of water and other beverages in Spanish adult individuals was found to be relatively valid with good repeatability. [ABSTRACT FROM AUTHOR]
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