Appendix Table 1.

Proportion of PCPs Who Agreed or Somewhat Agreed With Statements About the Potential Benefits and Risks of Open Visit Notes, by Participation Status

Statement	BIDMC		GHS		HMC*
	Participating PCPs (n = 42), %	Nonparticipating PCPs (n = 12), %	Participating PCPs (n = 26), %	Nonparticipating PCPs (n = 51), %	Participating PCPs (n = 42), %
Making notes available is a good idea	69	33	81	16	79
Among my patients who read their visit notes, a majority will:
Feel more in control of their health care	93	50	88	59	93
Be better prepared for visits	86	33	73	49	81
Better remember the plan for their care	95	67	92	75	83
Take better care of themselves	67	17	77	31	57
Be more likely to take medications as prescribed	69	25	85	49	57
Better understand their health and medical conditions	88	58	88	47	79
Find the notes more confusing than helpful	48	67	54	84	43
Worry more	50	92	58	88	45

BIDMC = Beth Israel Deaconess Medical Center; GHS = Geisinger Health System; HMC = Harborview Medical Center; PCP = primary care physician.

^*Only participating PCPs completed surveys at HMC.