Beverage Intake Assessment Questionnaire:
Relative Validity and Repeatability in a Spanish Population with Metabolic Syndrome from the PREDIMED-PLUS Study
Abstract: 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 ¥27
and <40 kg/m2, and at least three components of Metabolic Syndrome (MetS). A trained dietitian
completed the questionnaire. Participants ...