eTable 1. Doctors.

	Residentsn = 25 n (%)	Senior physiciansn = 14 n (%)	p
Age >30	18 (72)	14 (100)	0.036
Female	8 (32)	2 (14.3)	0.279
How much experience with advance directives have you had in your day-to-day work?
Not much	8 (32)	1 (7.1)	0.003
Some	10 (40)	1 (7.1)
A lot	7 (28)	12 (85.7)
Do you have an advance directive yourself?
Yes	2 (8)	2 (14.3)	0.609
Do you have a medical care proxy yourself?
Yes	2 (8)	3 (21.4)	0.329