Table 1.

Socioeconomic characteristics for Medicaid and Medicare Stage I and II breast cancer patients (N=7,563)

	Medicare (%) (n=7,030)	Dual eligible (%) (n=533)	P*
Patient Characteristics
Race			<0.001
Caucasian	91.8	71.7
African American	6.4	25.1
Other	1.8	3.2
Comorbidity			<0.001
0	77.8	58.2
1	16.1	26.1
2	4.3	11.3
3+	1.9	4.4
Age			<0.001
66–69	23.4	22.3
70–74	30.6	26.1
75–79	24.2	24.6
80–84	14.6	14.8
85+	7.3	12.2
Stage of Cancer			0.098
I	21.8	18.8
II	78.2	81.2
Area Level Variables			0.096
Metro	77.2	71.7
Rural	19.2	24.0
Missing	3.6	4.3
Low Education Area ø	17.9	41.5	<0.001
Medium House Hold Income (n=8,613)			<0.001
<=$25,000	23.8	52.1
$25,001–35 K	32.7	30.6
35,001–45 K	25.7	12.2
45 K+	17.6	5.1
Treatment			<0.001
BCS with Radiation ϕ (2,996)	66.3	53.9
Mastectomy	37.5	44.6

^*Statistical significance assessed by χ² likelihood ratio tests

^øResides in area in which greater than 30% of the population has less than a high school education

^ϕExcludes those with mastectomy