From: Vendor of choice and the effectiveness of policies to promote health information exchange
Dependent variable: | ||||
---|---|---|---|---|
Percentage that Share Clinical Summary | ||||
(1) | (2) | (3) | (4) | |
Vendor HHI | 0.349** | 0.657*** | 0.636*** | 0.639*** |
(0.168) | (0.188) | (0.193) | (0.202) | |
System HHI | − 0.714** | − 0.900** | − 0.948*** | |
(0.242) | (0.292) | (0.366) | ||
No. of Hospitals | −0.209 | −0.347* | ||
(0.145) | (0.172) | |||
QE Statewide | −0.045 | |||
(0.048) | ||||
DE Statewide | −0.016 | |||
(0.065) | ||||
Elevator | 0.073 | |||
(0.073) | ||||
Public Utility | 0.042 | |||
(0.083) | ||||
Capacity Builder | 0.116 | |||
(0.091) | ||||
Orchestrator | 0.081 | |||
(0.065) | ||||
Constant | 0.280*** | 0.289*** | 0.410*** | 0.308*** |
(0.061) | (0.058) | (0.099) | (0.099) | |
Observations | 49 | 49 | 49 | 49 |
R2 | 0.08 | 0.23 | 0.27 | 0.30 |
Adjusted R2 | 0.06 | 0.20 | 0.19 | 0.19 |
Residual Std. Error | 0.17 (df = 47) | 0.15 (df = 46) | 0.16 (df = 43) | 0.16 (df = 41) |
F Statistic | 4.3** (df = 1; 47) | 6.9*** (df = 2; 46) | 3.3** (df = 5; 43) | 2.6** (df = 7; 41) |