Table 2 Statistical distribution of demographics parameters, fundamental factors, and physiological parameters
Variable | Range | Mean | Standard deviation | |
|---|---|---|---|---|
Demographics parameters | Age (years) | 22–55 | 36.62 | 8.24 |
Weight (kg) | 55.70–123.00 | 80.52 | 14.91 | |
Height (m) | 1.61–1.90 | 1.76 | 0.06 | |
Body mass index (kilogram per square meter) | 19.23–34.94 | 26.06 | 4.07 | |
Physical activity (hours per week) | 0–12 | 2.14 | 2.47 | |
Work experience (year) | 1–40 | 12.72 | 7.85 | |
Fundamental factors | Dry temperature (degree of centigrade) | 21.97–48.20 | 24.78 | 6.01 |
Wet temperature (degree of centigrade) | 12.10–37.57 | 22.01 | 6.60 | |
Globe temperature (degree of centigrade) | 23.40–62.43 | 39.89 | 9.73 | |
Air velocity (meter per second) | 0–4.20 | 0.58 | 0.39 | |
Total metabolism (watts) | 130–490 | 248.47 | 103.70 | |
Clothing thermal resistance (clo) | 0.50–1.35 | 0.83 | 0.14 | |
Physiological parameters | Resting tympanic temperature (degree of centigrade) | 36.7–37.4 | 37.01 | 0.15 |
Working tympanic temperature (degree of centigrade) | 36.7–39.1 | 37.7 | 0.56 | |
Resting heart rate (beat/min) | 64.00–94.00 | 76.14 | 5.99 | |
Working heart rate (beat/min) | 70.00–189.00 | 121.00 | 28.45 | |