Table 1. Physician feature values stratified by departure status.

Feature		Retained	Departed	p-value
Gender
	Male	157	30	0.2
	Female	118	14
Age
	25–34	8	2	< 0.001
	35–44	54	12
	45–54	89	6
	55–64	77	5
	≥ 65	45	19
Specialty
	Internal Medicine	101	18	0.52
	Family Medicine	34	5
	Cardiology	37	2
	Other	103	19
Practice Characteristics
	Volume (appointments/mo)	195	158	a
	Demand (fraction appointments filled)	0.75	0.64
	Panel Size (n)	1145	927
	Panel Complexity	1.31	1.82
	Intensity (completed appointments/hr)	1.84	1.54
EHR useb				a
	Total EHR time	5.8	5.8
	Note time	1.9	1.7
	Order time	0.8	0.9
	Inbox time	0.8	0.8

^a Mean values provided for reference. Statistical tests not performed as these features represent aggregations of both repeated measures and non-stationary values. The remainder of the analyses consider observations on the physician-month level to address.

^b Normalized to an 8 hour work day.