Universität zu Köln

Braun, Hans, von Andrian-Werburg, Judith, Malisova, Olga, Athanasatou, Adelais, Kapsokefalou, Maria, Ortega, Juan F., Mora-Rodriguez, Ricardo ORCID: 0000-0001-9252-4933 and Thevis, Mario (2019). Differing Water Intake and Hydration Status in Three European CountriesA Day-to-Day Analysis. Nutrients, 11 (4). BASEL: MDPI. ISSN 2072-6643

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Abstract

Adequate hydration is essential for maintaining health and functionality of the human body. Studies assessing both daily water intake and hydration status are lacking. This study explored data from the European Hydration Research Study (EHRS) and focused on total water intake (TWI), 24 h hydration status, and day-to-day variations in a sample of 573 healthy adults. TWI was assessed by food records and hydration status (urine osmolality and urine volume) was measured from 24 urine samples collected over seven consecutive days. On all weekdays, mean TWI was higher (p < 0.001 for all days) for the German subjects compared to the Greek and Spanish participants. In 37% of the male and 22% of the female subjects, the individual mean TWI was below the European Food Safety Authority (EFSA) recommendation, with 16% men (4% women) being below the EFSA recommendation on every testing day. Twenty-four hour urine osmolality was lower in women compared to men (595 +/- 261 vs. 681 +/- 237 mOsmol/kg; p < 0.001). More men (40%) showed a urine osmolality 800 mOsmol/kg at least on four days of the study period compared to women (26%) and more participants from Spain (46%) compared to Greece (29%) and Germany (11%). A large number of individuals showed an inadequate hydration status on several days per week, which may have a negative health and cognitive impact on daily life.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Braun, Hans UNSPECIFIED UNSPECIFIED UNSPECIFIED von Andrian-Werburg, Judith UNSPECIFIED UNSPECIFIED UNSPECIFIED Malisova, Olga UNSPECIFIED UNSPECIFIED UNSPECIFIED Athanasatou, Adelais UNSPECIFIED UNSPECIFIED UNSPECIFIED Kapsokefalou, Maria UNSPECIFIED UNSPECIFIED UNSPECIFIED Ortega, Juan F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mora-Rodriguez, Ricardo UNSPECIFIED orcid.org/0000-0001-9252-4933 UNSPECIFIED Thevis, Mario UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-151538
DOI:	10.3390/nu11040773
Journal or Publication Title:	Nutrients
Volume:	11
Number:	4
Date:	2019
Publisher:	MDPI
Place of Publication:	BASEL
ISSN:	2072-6643
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HEAT-STRESS; FLUID RESTRICTION; DEHYDRATION; BIOMARKERS; MOOD; HYPOHYDRATION; CONSUMPTION; HEALTH Multiple languages Nutrition & Dietetics Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15153