Appendix Table 1.

Heckman-Hotz Test of Pre-Intervention Equality

VARIABLES	(1)	(2)	(3)
	Log Expenditures/Month
	All	Hypertension	Diabetes
treat × 2009q1	0.162 (0.119)	0.141 (0.142)	0.149 (0.215)
treat × 2009q2	−0.0107 (0.133)	−0.00459 (0.159)	0.00576 (0.242)
treat × 2009q3	−0.0437 (0.132)	0.0454 (0.158)	−0.221 (0.240)
treat × 2009q4	0.227 (0.147)	0.294 (0.177)	0.0998 (0.266)
Constant	3.581*** (0.0426)	3.493*** (0.0503)	3.769*** (0.0788)
F statistic	1.67	1.13	0.78
Prob > F	0.15	0.34	0.54
Observations	5,022	3,410	1,612
R-squared	0.01	0.01	0.01
Number of patients	1,164	812	352

Robust standard errors in parentheses

^***p<0.01,

^**p<0.05