The aim of the Fluid at Work Study is to develop and evaluate a fluid intake measurement tool for use in the UK working population. From the results of a systematic review and a round table discussion a novel fluid measurement tool has been developed - the Workplace Beverage Intake Questionnaire (WBIQ) The observational evaluation study will measure the relative validity and reliability of WBIQ for assessing fluid intake in a workplace population.
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Relative validity of fluid intake measurement
Timeframe: 7 days
Reliability of fluid intake measurement (l/day)
Timeframe: 2 months