. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: Am J Manag Care. 2015 Dec 1;21(12):e677–e683.

Table 2.

Relationship of Practice Characteristics to Adoption of EHR and HIE

Response Variable	Covariate	P	Odds Ratio	95% CI
EHR	Size in number of FTE providers (small ≤1 vs large >5)	.006^a	0.13	0.04–0.50
	Size in number of FTE providers (medium = 2–5 vs large >5)	–	0.31	0.08–1.22
	Part of clinic corporation (1 = yes vs 2 = no)	.004^a	3.28	1.47–7.28
	Location (1 = urban vs 2=rural)	.048^a	0.13	0.02–0.99
MU–certified EHR	Part of clinic corporation (1 = yes vs 2 = no)	.076	0.26	0.06–1.15
	Location (1=urban vs 2 = rural)	.56	0.53	0.06–4.56
HIE	Part of clinic corporation (1 = yes vs 2 = no)	.063	1.80	0.97–3.33
	Location (1 = urban vs 2 = rural)	.002^a	0.25	0.11–0.60
Electronic visit summary	Part of clinic corporation (1 = yes vs 2 = no)	.004^a	2.45	1.33, 4.50
	Location (1 = urban vs 2 = rural)	.023^a	0.37	0.16–0.87

EHR indicates electronic health record; FTE, full-time equivalent; HIE, health information exchange; MU, Meaningful Use.

Significant.