Identifying Vulnerable Populations in Subtropical Brisbane, Australia: A Guide for Heatwave Preparedness and Health Promotion

Table 3

Stepwise regression analysis of emergency ambulance callouts and heat related variables.

Model	Unstandardized coefficients		𝑡	Significance
	𝐵	Std. error
(1)
Constant	4.342	0.773	5.620	0.000
ACF	3.272	0.613	5.335	0.000
(2)
Constant	0.593	1.171	0.507	0.613
ACF	2.533	0.606	4.178	0.000
Single-person households	1.612	0.394	4.093	0.000
(3)
Constant	0.046	1.166	0.040	0.968
ACF	2.450	0.595	4.119	0.000
Single-person households	1.248	0.411	3.037	0.003
Urban design	0.083	0.032	2.550	0.012