Hydration Status in Men Working in Different Thermal Environments: A Pilot Study.

Szczegóły
Abstrakt

Tytuł:: Hydration Status in Men Working in Different Thermal Environments: A Pilot Study.
Autorzy:: Orysiak J; Department of Ergonomics, Central Institute for Labour Protection-National Research Institute, Czerniakowska St. 16, 00-701 Warsaw, Poland.
Młynarczyk M; Department of Ergonomics, Central Institute for Labour Protection-National Research Institute, Czerniakowska St. 16, 00-701 Warsaw, Poland.
Tomaszewski P; Department of Tourism and Recreation, Józef Piłsudski University of Physical Education, Marymoncka St. 34, 00-968 Warsaw, Poland.
Źródło:: International journal of environmental research and public health [Int J Environ Res Public Health] 2022 May 05; Vol. 19 (9). Date of Electronic Publication: 2022 May 05.
Typ publikacji:: Journal Article; Research Support, Non-U.S. Gov't
Język:: English
Imprint Name(s):: Original Publication: Basel : MDPI, c2004-
MeSH Terms:: Dehydration*
Thirst*
Humans ; Male ; Osmolar Concentration ; Pilot Projects ; Urinalysis
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Contributed Indexing:: Keywords: dehydration; foresters; hypohydration; osmolality; urinary indices; urine-specific gravity; workers
Entry Date(s):: Date Created: 20220514 Date Completed: 20220519 Latest Revision: 20230308
Update Code:: 20240105
PubMed Central ID:: PMC9104106
DOI:: 10.3390/ijerph19095627
PMID:: 35565019
: Czasopismo naukowe

The aim of this study was to determine the effects of different seasons of the year and the time of day (before work vs. after work) on hydration status in men. The study involved sixty foresters who spent most of the work outdoors. During three seasons of the year (summer, autumn, and winter), indices of hydration status (body mass (BM) and percentage change of BM, total body water (TBW) and percentage change of TBW, serum osmolality (Sosm) and percentage change of Sosm, urine osmolality, urine-specific gravity (USG), urine color, and thirst) were determined before work on the first day (time point 1 used as baseline), immediately after work on the first day (time point 2), and before work on the following day (time point 3). USG decreased at time point 2 compared to time point 1 (p < 0.001) and time point 3 (p = 0.03). At time point 2 (p = 0.002) in winter and time point 3 in autumn (p = 0.049), serum osmolality was higher than in summer. In conclusion, the differences in hydration status depended on the time of day and season. A large percentage of foresters come to work inadequately hydrated, especially in colder seasons compared to summer.

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