With the same risk factors and under the same environmental conditions, heatstroke affects all races equally. However, because of differences in social advantages, the annual death rate due to environmental conditions is more than 3 times higher in blacks than in whites.

With the same risk factors and under the same environmental conditions, heatstroke affects both genders equally. However, because of gender differences in the workforce, the annual death rate due to environmental conditions is 2 times higher in men than in women.