Skip to main content
. 2016 Dec 7;6:55. doi: 10.1186/s13561-016-0137-z

Table 14.

Results for number of procedures

(1) (2) (3) (4) (5)
Variables Number of procedures Number of procedures Number of procedures Number of procedures Number of procedures
Uninsured −0.406*** −0.417*** −0.384*** −0.148*** −0.135***
(0.0356) (0.0341) (0.0234) (0.0158) (0.0102)
Income Q2 0.0947*** 0.0639*** 0.0347** 0.0190**
(0.0247) (0.0208) (0.0173) (0.00787)
Income Q3 0.0911*** 0.00347 −0.00767 0.00890
(0.0288) (0.0208) (0.0142) (0.00907)
Income Q4 0.135*** 0.00725 −0.00313 0.00870
(0.0432) (0.0277) (0.0208) (0.0106)
Black −0.105*** −0.185*** −0.0964*** −0.0913***
(0.0323) (0.0285) (0.0210) (0.0118)
Hispanic −0.000980 −0.0890*** −0.101*** −0.0531***
(0.0368) (0.0294) (0.0237) (0.0118)
Other 0.135*** 0.0566** −0.0238 −0.0230*
(0.0402) (0.0268) (0.0182) (0.0119)
Female −0.0793*** −0.0637*** −0.153*** −0.153***
(0.0181) (0.0164) (0.00648) (0.00611)
Age 0.0134*** 0.0139*** 0.00220*** 0.00243***
(0.000628) (0.000582) (0.000437) (0.000345)
For-profit −0.0338 −0.00525
(0.0594) (0.0377)
Urban 0.374*** 0.196***
(0.0570) (0.0435)
Teaching 0.416*** 0.240***
(0.0563) (0.0410)
State FE No No Yes Yes No
Hospital FE No No No No Yes
Diagnosis vector FE No No No Yes Yes
Observations 2,940,992 2,572,821 2,536,120 2,536,120 2,572,821
R-squared 0.005 0.029 0.049 0.372 0.403

Robust standard errors in parentheses, clustered at the hospital level

***p < 0.01, **p < 0.05, *p < 0.1