Table 2.

The correlation between individual and group characteristics.

Group definition:	Physician × facility			Facility	Township	County
Sub-group:	All	Non-movers	Movers		All
	(1)	(2)	(3)	(4)	(5)	(6)
Male	0.29	0.28	0.31	0.22	0.07	0.04
Age	0.50	0.52	0.42	0.30	0.13	0.06
Income	0.15	0.17	0.11	0.16	0.17	0.14
Number of peer groups	0.27	0.29	0.21	0.15	0.11	0.05
Peer group is in modal township	0.46	0.48	0.43	0.47	0.49	0.44
Visits per year	0.19	0.18	0.19	0.13	0.09	0.05

Note: The table reports the correlation between individual characteristics and the means of these variables across other group members.