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

Table 17.

Results for length of stay

(1) (2) (3) (4) (5)
Variables Length of stay Length of stay Length of stay Length of stay Length of stay
Uninsured 0.0587 −0.134 −0.111 −0.0899 −0.0556
(0.0909) (0.0948) (0.0853) (0.0652) (0.0525)
Income Q2 −0.0963** −0.0767* −0.0376 0.00722
(0.0464) (0.0424) (0.0370) (0.0264)
Income Q3 −0.190*** −0.220*** −0.112*** −0.00603
(0.0650) (0.0521) (0.0414) (0.0255)
Income Q4 −0.200** −0.248*** −0.120*** −0.0220
(0.0882) (0.0564) (0.0441) (0.0326)
Black 0.422*** 0.303*** 0.250*** 0.199***
(0.0631) (0.0572) (0.0457) (0.0425)
Hispanic −0.0648 −0.171*** 0.0545 0.0578**
(0.0779) (0.0559) (0.0388) (0.0229)
Other 0.171** 0.0795 0.201*** 0.177***
(0.0786) (0.0578) (0.0372) (0.0269)
Female −0.564*** −0.530*** 0.0523*** 0.0639***
(0.0241) (0.0220) (0.0145) (0.0138)
Age 0.0225*** 0.0229*** 0.00153 0.000481
(0.00123) (0.00109) (0.00127) (0.000910)
For-profit 0.0908 0.119*
(0.107) (0.0685)
Urban 0.539*** 0.272***
(0.0916) (0.0743)
Teaching 0.669*** 0.202***
(0.0851) (0.0514)
State FE No No Yes Yes No
Hospital FE No No No No Yes
Diagnosis vector FE No No No Yes Yes
Observations 2,940,954 2,572,789 2,536,088 2,536,088 2,572,789
R-squared 0.000 0.011 0.017 0.339 0.362

Robust standard errors in parentheses, clustered at the hospital level

***p < 0.01, **p < 0.05, *p < 0.1