. Author manuscript; available in PMC: 2015 May 28.

Published in final edited form as: J Health Care Poor Underserved. 2014 Feb;25(1 0):95–108. doi: 10.1353/hpu.2014.0061

Table 2.

Model 1. Number of Insurance Switches: Incident Rate Ratios Comparing Post to Pre Reform Period
	aIRR^* (95% CI)
Base Model	0.98 (.88 – 1.09)
Sensitivity A^*: Excluding switches between Commonwealth Care and Uninsured	0.81 (.72 – .90)^**
Sensitivity B^*: excluding first switch from Uninsured to Private, Medicaid, or Commonwealth Care	0.92 (.83 – 1.02)
Model 2. Unfavorable Switches: Incident Rate Ratios Comparing Post to Pre Reform Period
Adjusted^* including only switches from Insured to Uninsured state	1.12 (.92 – 1.38)

aIRR – adjusted Incident Rate Ratios – adjustment for age (continuous variable), race/ethnicity, primary language, the number of months in care, Community Health Center.

^**

Indicates significant difference p < 0.05