Workplace heat exposure affects billions of people during their everyday work activities. Occupational heat stress impairs workers' health and capacity to perform manual labour. Therefore, the aim of this study was to observe the heat strain experienced by workers in occupational settings and test different strategies to mitigate it during actual work shifts in agriculture, manufacture, tourism, construction, and other services.
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Heart rate
Timeframe: 12-hour workshift
Mean skin temperature
Timeframe: 12-hour workshift
Core body temperature
Timeframe: 12-hour workshift
Urine specific gravity to assess the hydration status
Timeframe: Pre and post the 12-hour workshift
Labour effort
Timeframe: 12-hour workshift
Thermal comfort
Timeframe: At baseline, every two hours up until the end of the 12-hour workshift
Thermal sensation
Timeframe: At baseline, every two hours up until the end of the 12-hour workshift
Perceived exertion
Timeframe: At baseline, every two hours up until the end of the 12-hour workshift
Heat Strain Score Index
Timeframe: At the end of the 12-hour work shift