. Author manuscript; available in PMC: 2011 Dec 1.

Published in final edited form as: Med Care Res Rev. 2010 Jun 16;67(6):657–675. doi: 10.1177/1077558710369911

Table 2.

Cox Regressions Predicting Time until First Loss of Coverage for 180 or More Days for Males and Females

	Females		Males
	Hazard Ratio	p	Hazard Ratio	p

Race^a
White	1.098	.019	1.154	.004
African-American	.785	<.001	1.024	.614
Rural County^b	.923	.088	.951	.232
Diagnosis^b
Major Depressive	1.042	.543	.978	.694
Bipolar	.962	.742	.946	.531
Schizophrenia	.749	.024	.596	<.001
Attention Deficit/Hyperactivity Disorder	.977	.810	1.121	.040
Conduct Disorder/Oppositional Defiant Disorder	.985	.823	1.067	.209
Substance Use	1.138	.106	1.102	.079
Mental Retardation/Dev. Disability	.495	<.001	.396	<.001
Other only	1.110	.174	1.029	.659
Eligibility category^b
Foster care	.890	.133	.597	<.001
Supplemental Security Income	.338	<.001	.191	<.001
Pregnancy, <185% of poverty	1.362	<.001	-	-
Med. Assistance to Families	.933	.160	.951	.485
Aid to Families with Dependent Children/Temporary Assistance for Needy Families	.910	.128	1.406	<.001
Child under 19	1.093	.142	.341	<.001

Model Statistics

χ² statistic		932		424
df		17		16
Model significance		<.001		<.001
−2 Log Likelihood		33684		41290

Race included as a deviation contrast, with each category compared to the overall effect of race including “other” and “missing” race

Included as indicator contrast, with their respective absence as indicator category