County Smoke-Free Laws and Asthma Discharges: Evidence from 17 US States

Table 2

Factors associated with asthma discharge rates per 10,000.

Variable	Pearson’s ρ	value
Cigarette tax	.09	<.001
Smoking prevalence	.05	<.001
Asthma prevalence	.07	<.001
Percent in poverty	.19	<.001
Percent uninsured	−.08	<.001
PCP per 10,000	.16	<.001
Percent nonwhite	.26	<.001