Table 1. Characteristics of physician entrepreneurs.

Variable		Average or number	SD or %
Entrepreneur
Sex	Male	8	100
	Female	0	0
Mean age, years		35.7	4.8
Mean years of clinical work (including residency)		5.1	2.6
Medical students
Sex	Male	12	60
	Female	8	40
Grade	6th	1	5
	5th	2	10
	4th	9	45
	3rd	3	15
	2nd	5	25
Administrative officers
Sex	Male	2	100
	Female	0	0
Faculty members
Sex	Male	2	66.7
	Female	1	33.3