Table 1.

Variables used in covariance analysis. Socio-demographic factors represented as X variables (independent); Heat refuge factors represented as Y variables (dependent).

	Variables
First Variable (X)	●% of White
	●% of Black or African American
	●% of American Indian and Alaskan Native (AIAN)
	●% of Asian
	●% of Native Hawaiian and Other Pacific Islander (NHPI)
	●% of Hispanic or Latino
	●% of residents under age 5 (young children)
	●% of residents over age 65 (elderly)
Second Variable (Y)	●Urban Heat Index (UHI)
	●Central air-conditioning units (CAC)/km2
	●Accessibility to public heat refuges (fast, average, and slow walking speeds)