Health insurance mediation of the Mexican American non-Hispanic white disparity on early breast cancer diagnosis

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Table 1 Place, socioeconomic, demographic and tumor descriptive profiles: Mexican American and non-Hispanic white women

Variable	Mexican American^a		Non-Hispanic white
Variable	Sample	Percentage	Sample	Percentage
Geographic place^*
Large urban	130	42.9	1,065	29.5
Smaller urban	85	28.1	1,278	35.4
Rural	88	29.0	1,268	35.1
Neighborhood poverty prevalence,^* %
< 5	28	9.2	1,525	42.2
5-29	77	25.4	1,300	36.0
≥ 30	198	65.3	786	21.8
Neighborhood Mexican American prevalence,^* %
< 25	50	16.5	2,721	75.4
25-49	83	27.4	617	17.1
≥ 50	170	56.1	273	7.6
Primary health insurer^*
Uninsured	61	20.1	299	8.3
Medicaid	74	24.4	134	3.7
Medicare	54	17.8	1,082	30.0
Private	114	37.6	2,096	58.0
Age at diagnosis,^* y
25-44	98	32.3	411	11.4
45-54	78	25.7	762	21.1
55-64	66	21.8	768	21.3
≥ 65	61	20.2	1,670	46.2
Marital status^*
Married	178	59.9	2,002	56.6
Never married	52	17.5	369	10.4
Separated or divorced	28	9.5	467	13.2
Widowed	39	13.1	700	19.8
Histological grade^*
I, well differentiated	38	12.5	891	24.7
II, moderately	110	36.3	1,556	43.1
III or IV, poorly differentiated	155	51.2	1,164	32.2
Summary stage^*
Local-regional, node negative	169	55.8	2,485	68.8
Local-regional, node positive	126	41.6	1,013	28.1
Distally metastasized	8	2.6	113	3.1

^a Most (88%) were first generation immigrants born in Mexico and this characteristic did not differ significantly between barrio and non-barrio residents.
^*p < .05 for between-ethnic group difference (χ² test).