Table 6.

Predicted Utilization for Simulated Scenarios, Urban Uninsured

		Physician Visits		Nonphysician Visits		ED Visits		Any Expenditures
Simulation Variable	Simulation Value	Mean	SE	Mean	SE	Mean	SE	Mean	SE
Distance to ED	25th pctile	1.84	(0.14)	0.84	(0.12)	0.15	(0.01)	0.50	(0.01)
	75th pctile	1.79	(0.13)	0.88	(0.12)	0.14	(0.01)	0.50	(0.01)
Distance to public hospital	25th pctile	1.77	(0.14)	0.91	(0.14)	0.13	(0.01)**	0.50	(0.01)
	75th pctile	1.81	(0.13)	0.86	(0.12)	0.15	(0.01)**	0.51	(0.01)
Distance to BPHC provider	25th pctile	1.83	(0.14)	0.88	(0.12)	0.14	(0.01)	0.50	(0.01)
	75th pctile	1.79	(0.13)	0.87	(0.12)	0.14	(0.01)	0.51	(0.01)
Primary care physicians per 1,000	25th pctile	1.79	(0.14)	0.93	(0.13)*	0.14	(0.01)	0.49	(0.01)**
	75th pctile	1.81	(0.13)	0.82	(0.11)*	0.14	(0.01)	0.51	(0.01)**
HMO penetration rate	25th pctile	1.92	(0.15)**	0.81	(0.12)*	0.14	(0.01)	0.51	(0.01)*
	75th pctile	1.64	(0.13)**	1.01	(0.16)*	0.15	(0.01)	0.49	(0.01)*
HMO index of competition	25th pctile	1.79	(0.13)**	0.88	(0.12)*	0.14	(0.01)	0.51	(0.01)
	75th pctile	1.92	(0.15)**	0.77	(0.11)*	0.14	(0.01)	0.50	(0.01)
Local health andhospital expenditures	25th pctile	1.85	(0.14)	0.76	(0.11)**	0.14	(0.01)	0.50	(0.01)
	75th pctile	1.78	(0.13)	0.91	(0.13)**	0.15	(0.01)	0.51	(0.01)
Percent uninsured	25th pctile	1.77	(0.16)	0.85	(0.13)	0.16	(0.01)	0.50	(0.01)
	75th pctile	1.82	(0.14)	0.90	(0.14)	0.14	(0.01)	0.51	(0.01)

Notes

^**p<.01 for difference between 25th percentile and 75th percentile.

^*p<.05 for difference between 25th percentile and 75th percentile.

ED, emergency department; BPHC, Bureau of Primary Healthcare; HMO, health maintenance organization; pctile, percentile.