Table 2.

Rates of Mental Illness Among Medicaid Beneficiaries With TBI SMRF, 1995

	SMI		Other Mental Illness		No Mental Illness
Characteristics	N	%	N	%	N	%
All	678	18.6	601	16.5	2362	64.9
Medicaid program*
Alabama	74	11.2	56	8.5	529	80.3
Georgia	230	18.2	211	16.7	825	65.2
New Jersey	208	22.4	165	17.8	554	59.8
Wisconsin	166	21.0	169	21.4	454	57.5
Sex
Female	400	18.2	373	16.9	1429	64.9
Male	278	19.3	228	15.8	933	64.8
Race and ethnicity*
White	269	18.9	268	18.9	885	62.2
African American	180	14.7	157	12.9	885	72.4
Latino	13	13.1	21	21.2	65	65.7
Other/unknown	216	24.1	155	17.3	527	58.7
Age at end of 1995 (y)*
21–29	112	11.1	158	15.7	738	73.2
30–39	236	19.8	224	18.8	733	61.4
40–49	199	26.7	120	16.1	426	57.2
50–64	131	18.9	99	14.2	465	66.9
Reason for eligibility*
Blind/disabled	559	22.1	422	16.7	1547	61.2
AFDC	79	9.5	142	17.0	615	73.6
Poverty	24	24.2	14	14.1	61	61.6
Other	16	9.0	23	12.9	139	78.1
Medicare
Yes	187	20.8	151	16.8	560	62.4
No	491	17.9	450	16.4	1802	65.7
Private insurance
Yes	18	14.0	24	18.6	87	67.4
No	660	18.8	577	16.4	2275	64.8
Substance abuse*
Yes	198	35.0	110	19.4	258	45.6
No	480	15.6	491	16.0	2104	68.4
Physical comorbidity*
Absent	383	16.4	349	14.9	1608	68.7
Low	224	21.9	204	19.9	597	58.2
Severe	71	25.7	48	17.4	157	56.9

NOTE. Based on FFS Medicaid beneficiaries in Alabama, Georgia, New Jersey, and Wisconsin, who were diagnosed with TBI, full-year enrolled, aged 18 to 64 years, and alive by the end of 1995.

^*Significant group differences (χ² test, P < .05) in mental illness.