. Author manuscript; available in PMC: 2014 Oct 1.

Published in final edited form as: J Econ Manag Strategy. 2013 Jul 10;22(3):10.1111/jems.12023. doi: 10.1111/jems.12023

Table 3.

Vertical integration and intensity of home health care

Dependent variable: home health intensity (visits/day)

	Full sample				Matched sample
	(1)		(2)		(3)		(4)
*Within firm transfer (VI_HOSP_TX)*	*0.010 (0.004)*	^**	*0.010 (0.004)*	^**	*0.012 (0.004)*	^***	*0.012 (0.004)*	^***
VI_HOSP to other HHA (VI_HOSP_EXT)	−0.003 (0.004)				−0.001 (0.004)
VI_HOSP to other VI HHA (VI_EXT_VI)			−0.004 (0.005)				−0.002 (0.006)
VI_HOSP to non-VI_HHA (VI_EXT_NON)			−0.002 (0.004)				−0.001 (0.004)
Non-VI_HOSP to VI_HHA (VI_HHA_IN)			0.004 (0.005)				0.002 (0.005)
Patient controls	Y		Y		Y		Y
Hospital controls	Y		Y		Y		Y
Market controls	Y		Y		Y		Y
Constant	Y		Y		Y		Y
R²	0.04		0.04		0.04		0.04
N	399,368		399,368		342,886		342,886

Standard errors are robust and clustered at the market level.

^***

Significant at 1%,

^**

Significant at 5%,

Significant at 10%.

HHA stands for Home Health Agency. Controls are as in Table 2-A.