Table 2.

Factors Associated with a County Being in the Lower Tertile of CPR Training

Variable	OR (95% CI)	Chi Square	p-value
Percent rural (per 5 PP increase)	1.12 (1.10, 1.15)	106.85	<0.001
Region		32.43	<0.001
South (vs. Northeast)	7.78 (3.66, 16.53)	28.43	<0.001
Midwest (vs. Northeast)	5.56 (2.63,-11.75)	20.14	<0.001
West (vs. Northeast)	5.39 (2.48, 11.72)	18.01	<0.001
Percent Black (per 5 PP increase)	1.09 (1.06, 1.13)	23.79	<0.001
Number of physicians (per 100 MDs decrease)	1.59 (1.32, 1.92)	23.61	<0.001
Percent Hispanic (per 5 PP increase)	1.06 (1.02, 1.11)	9.23	0.002
Median household income (per $10,000 decrease)	1.18 (1.04, 1.34)	6.68	0.010
Median age (per 10 year decrease)	1.28 (1.04, 1.58)	5.35	0.021
Percent without college education (per 5 PP decrease)	1.09 (0.97, 1.21)	2.24	0.135
Percent male (per 5 PP increase)	1.07 (0.88, 891.30)	0.42	0.519
Percent Asian (per 5 PP increase)	1.06 (0.73, 1.53)	0.10	0.758
Heart disease mortality (per 100,000 people)	1.000(0.997, 1.002)	0.09	0.768

Abbreviations: CI, confidence interval; CPR, cardiopulmonary resuscitation; MD, medical doctor; OR, odds ratio; PP, percentage point; vs, versus