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

Table 13.

Results for total charges

(1) (2) (3) (4) (5) (6)
Variables Total charges Total charges Total charges Total charges Total charges Total charges
Uninsured −2901*** −5039*** −4431*** −2820*** −1918*** 454.5
(990.9) (1007) (633.6) (455.6) (275.8) (302.2)
Income Q2 1345** 1068** 920.1** 614.9*** 259.3
(605.4) (499.2) (390.8) (232.9) (192.5)
Income Q3 2407** 369.5 1252** 482.4* 184.7
(1062) (690.6) (548.9) (274.7) (233.9)
Income Q4 2521 135.9 1340* 92.68 −371.6
(1652) (979.6) (789.5) (339.3) (291.1)
Black 1080 241.5 697.1 −1285*** 860.6***
(1097) (735.8) (557.1) (356.1) (251.8)
Hispanic 5456*** −2167** −372.9 −1389*** −941.8***
(1423) (944.2) (812.2) (267.0) (238.3)
Other 2212* −994.2 774.2 −302.5 −394.5
(1263) (911.5) (570.3) (516.1) (456.0)
Female −8620*** −8188*** −1030*** −923.0*** −462.6***
(536.6) (423.7) (180.3) (164.0) (127.6)
Age 532.4*** 522.5*** 23.54* 41.17*** 124.5***
(23.26) (20.19) (14.14) (11.79) (10.05)
For-profit 11,219*** 11,342***
(2385) (2060)
Urban 8833*** 5057***
(1380) (1150)
Teaching 12,919*** 7028***
(1782) (1259)
State FE No No Yes Yes No No
Hospital FE No No No No Yes Yes
Diagnosis vector FE No No No Yes Yes No
Procedure vector FE No No No No No Yes
Observations 2,834,320 2,475,053 2,438,353 2,438,353 2,475,053 2,475,053
R-squared 0.000 0.043 0.079 0.344 0.378 0.509

Robust standard errors in parentheses, clustered at the hospital level

***p < 0.01, **p < 0.05, *p < 0.1