Table 1.

Social vulnerability variables used to quantify heat vulnerability.

Variables Name	Details
Seniors	Number of people more than 55 years old
Infants	Number of people less than 5 years old
People in old houses	Number of households living in housing built prior to 1970
People in high heat risk homes	Number of households living in multi-story apartment buildings or mobile homes
Low income population	Number of people with annual household income less than $20,000
Low education population	Number of people without a diploma or a degree
People living alone	Number of single-person households
Unemployment	Unemployment rate