Table 2.

Bivariate analysis for the primary outcome variables provider satisfaction (EHR affects you) and patient impact (EHR affects patients). Numerical value represents the mean score for each group.

Categorical variables				Satisfaction mean	P value	Patient impact mean	P value
Total population score				57.8		60.6
Age in years					.05		.27
	20-29			67.5		65.8
	30-39			59.3		60.7
	40-49			49.1		54.4
	>50			54.2		60.8
Clinical role					.01		.21
	Attending (n=57)			52.1		57.9
		Clinical full-time-equivalent			.88		.57
			<0.5	54.5		61.7
			0.5-0.99	50.9		58.3
			1.0	51.2		55.6
		Percentage of time supervising residents			.07		.24
			<50	52.9		61.4
			51-99	44.0		52.2
			100	64.3		57.9
		Super-user			.66		.39
			No	52.4		55.9
			Yes	50.8		65.3
	Fellow			66.7		65.6
	Resident			62.5		62.3
	Postgraduate year (fellows and residents only)				.18		.37
		1		63.0		57.5
		2		76.1		70.7
		3		59.2		62.7
		4		57.4		61.0
		5		57.1		57.9
		6		63.8		64.4
		7		77.0		78.0
Clinical department					.22		.26
	Anesthesia			70.2		63.8
	General medicine			58.1		63.5
	Pediatrics			58.7		60.0
	Psychiatry			62.0		59.2
	Radiology			62.4		59.6
	Medical subspecialty			47.1		52.7
	Surgical subspecialty			62.8		68.5
Electronic health record experience in years					.11		.36
	<1			84.0		82.0
	1-5			61.7		59.3
	5-10			56.5		61.2
	>10			52.8		59.9
Epic experience in years					.12		.42
	<1			66.5		64.6
	1-5			55.8		59.1
	5-10			55.7		62.2
Epic experience at MUSCa in years					.27		.47
	<1			64.1		60.4
	1-5			57.0		61.2
	5-10			49.2		52.0
Number of systems used					.51		.15
	1			60.4		59.3
	2			57.6		62.6
	3			54.0		55.4
	4			65.8		69.4

^aMUSC: Medical University of South Carolina.