Appendix 1.

Categorization of medical students’ level of engagement in discussion of health care cost topics by course.

Health care cost discussion
Course	N	Not participate (%)	Participate (%)	Initiate (%)	Total (%)
1	98	100.0	0.0	0.0	100.0
2	98	0.0	96.9	3.1a	100.0
3	98	0.0	74.5	25.5a,b	100.0
4	98	3.1	56.1	40.8a,b	100.0
5	98	0.0	33.7	66.3a,b,c,d	100.0
6	98	0.0	43.9	56.1a,b,c	100.0

^aSignificantly different than Course 1.

^bSignificantly different than Course 2.

^cSignificantly different than Course 3.

^dSignificantly different than Course 4.