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Table 2 The effects of competition among hospitals on the outward patients sharing

From: Expelled uninsured patients in a less-competitive hospital market in Florida, USA

 

Principal payer

Total

Medicare

Medicare managed care

Medicaid

Medicaid managed care

Commercial health insurance

Uninsured

IRR (SE)a

IRR (SE)a

IRR (SE)a

IRR (SE)a

IRR (SE)a

IRR (SE)a

IRR (SE)b

Total HHI

.17 (.31)

      

Medicare HHI

 

.02** (.03)

     

Medicare Managed Care HHI

  

.02 (.06)

    

Medicaid HHI

   

1.17 (2.80)

   

Medicaid Managed Care HHI

    

.17 (.47)

  

Commercial Health Insurance HHI

     

3.04 (5.89)

 

Uninsured HHI

      

594.82** (1570.31)

For Profit (0 = Public)

2.94* (1.64)

3.98* (3.08)

1.14 (.81)

1.97 (1.75)

.49 (.46)

2.36 (1.73)

2.63 (2.68)

Non-profit (0 = Public)

1.82 (.99)

3.01 (2.26)

.71 (.48)

1.34 (1.10)

1.13 (.99)

2.51 (1.68)

.35 (.34)

Teaching (0 = Non-teaching)

.27* (.20)

1.29 (1.14)

4.87** (3.43)

.24 (.24)

.23 (.29)

.76 (.55)

13.69*** (7.78)

Rural (0 = Urban)

1.67 (.98)

6.89*** (4.74)

1.23 (1.48)

1.12 (1.45)

.00 (.00)

.00 (.00)

.00 (.00)

CMI

215.18*** (277.66)

534.67*** (811.82)

45.72** (74.87)

96.77** (197.13)

35.79 (77.84)

40.34*** (55.12)

303.1** (680.84)

ln(Total # of Discharges)

1.0001*** (.00)

1.0001*** (.00)

1.00004*** (.00)

1.0001*** (.00)

1.00004** (.00)

1.00005*** (.00)

1.0001*** (.00)

Average Length of Stay

2.84** (1.30)

2.63* (1.41)

1.48 (.84)

1.37 (.89)

5.33* (4.58)

2.52* (1.23)

6.47*** (4.44)

Occupancy Rate

1.01 (.01)

1.02* (.01)

1.01 (.01)

.99 (.01)

1.01 (.02)

1.00 (.01)

1.03 (.02)

(Revenue per Adjusted Admission) – (Cost per Adjusted Admission)

.99 (.00)

.99*** (.00)

.99** (.00)

1.00 (.00)

.99 (.00)

.99 (.00)

.99** (.00)

Overdispersion Parameter

2.14*** (.34)

1.90*** (.48)

.65** (.46)

3.49*** (.90)

1.85*** (1.07)

1.44*** (.41)

 

Model χ 2

85.95

69.41

45.63

54.25

29.43

67.88

121.66

df

10c

10c

10c

10c

10c

10c

10c

Pseudo R 2

.11

.15

.20

.14

.18

.17

.57

N

155

155

153

155

146

155

155

  1. Notes: *p < .1, **p < .05, ***p < .01
  2. aNegative binomial regression model
  3. bPoisson regression model
  4. cCompared to model with intercept only