TABLE 4.

Heat warning awareness by demographic characteristics among survey respondents

Characteristic		Weighted % aware of warning (95 % CI)
Total (unweighted, n = 552)		79 (76, 82)
Sex	Male	76 (71, 81)
	Female	82 (78, 85)
Agea	18–29	76 (68, 82)
	30–49	80 (74, 85)
	50–64	85 (79, 90)
	65+	75 (67, 81)
Household income	<$30,000	82 (75, 87)
	≥$30,000	82 (77, 86)
Health riskb	High	79 (73, 84)
	Low	79 (75, 83)
Exposure riskc	High	77 (69, 83)
	Low	80 (76, 84)
Vulnerability statusd	High	70 (58, 79)
	Low	80 (77, 83)

^aProportion aware of warning significantly different among subgroups (p<0.05)

^bRespondents aged ≥65 years or younger adults reporting “poor” or “fair” health

^cRespondents who reported not having AC, or using AC either “never” or “less than half the time” during very hot weather

^dRespondents who are aged ≥65 years or younger adults reporting “poor” or “fair” health AND reported not having AC, or using AC either “never” or “less than half the time” during very hot weather