Is the Safety Net Leaking?: Measuring Changes in Quality of Care and Healthcare Utilization for Patients with Diabetes Mellitus before and after Implementation of Cost-Sharing at a Public Hospital : Table 3

Table 3: Financial Impact by Insurance Type After Policy Change vs. Before Policy Change.
†: Reference Insurance Type = Commercial
‡: Interaction = Insurance Type*Time, listed by interaction coefficient (standard deviation). Negativeinteractions represent a decrease in the outcome variable after the policy change and positive interactions represent an increase in the outcome variable after the policy change relative to the reference group.
§: Significant at level < 0.10

Outcome Variable	Insurance Type†	Interaction‡	p value
Log(cost)	Commercial	n/a	n/a
	Indigent	0.4605 (0.13)	0.0004§
	Medicaid	-0.2621 (0.29)	0.3706
	Medicare	0.3475 (0.13)	0.0092§
	Self Pay	0.1505 (0.36)	0.6798
Log(charge)	Commercial	n/a	n/a
	Indigent	0.5092 (0.13)	<.0001§
	Medicaid	-0.2268 (0.29)	0.4275
	Medicare	0.3929 (0.13)	0.0023§
	Self Pay	0.2036 (0.36)	0.5672