Racial differences in long-term adjuvant endocrine therapy adherence and mortality among Medicaid-insured breast cancer patients in Texas: Findings from TCR-Medicaid linked data

Table 2 Percentage of patient’s adherent to long-term adjuvant endocrine therapy, 2000-2007

	Percent Adherent (MPR≥80%)
	1-year			3-year			5-year
	n	%	p-value	n	%	p-value	n	%	p-value
Total Cohort	852	56.9		304	42.3		100	33.3
Age (years)			<0.01			<0.01			0.18
20-34	23	38.3		1	5.9		0	0.0
35-49	291	54.4		91	39.6		27	31.4
50-64	538	59.7		212	45.0		73	35.1
Race/Ethnicity			<0.001			<0.001			0.12
Non-Hispanic White	329	58.1		127	45.0		43	35.3
Non-Hispanic Black	124	44.6		33	25.2		10	19.2
Hispanic	352	60.5		123	46.8		39	36.8
Other	47	66.2		21	50.0		8	40.0
Tumor stage			0.10			0.30			0.18
Local	439	59.0		158	44.3		63	37.5
Regional	413	54.9		146	40.4		37	28.0
Poverty			<0.01			<0.01			0.15
≤16	269	53.5		118	43.9		48	33.3
16.1-18.3	262	53.7		77	34.2		16	24.6
≥18.4	321	63.4		109	48.7		36	39.6
Median Income			<0.001			<0.05			0.16
≤33,502	309	64.5		121	49.4		42	40.0
33,503-41946	279	57.9		105	40.4		36	31.6
≥41,947	264	49.3		78	36.6		22	27.2
DPC Physicians per 100K Population			<0.05			<0.05			<0.01
≤103.9	252	60.1		84	47.5		31	40.8
104-198.7	262	60.0		99	45.6		38	40.4
≥198.8	338	52.7		121	37.4		31	23.9
TX-Mexico Border			<0.001			<0.05			0.14
No	650	54.1		232	40.1		77	31.4
Yes	202	68.2		72	51.8		23	41.8
Region			<0.05			0.46			0.07
Metro	670	55.5		243	41.7		77	31.1
Urban/Rural	182	63.0		61	45.2		23	44.2
Year of Diagnosis			<0.05			0.74			0.51
2000-2001	138	50.6		82	44.1		54	35.1
2002-2004	399	60.6		194	42.2		46	31.5
2005-2007	315	55.8		28	38.9		0	0.0	<0.05
Chemotherapy			0.09			0.37
No	445	59.1		171	43.9		67	37.9
Yes	407	54.7		133	40.6		33	26.8
Radiation Therapy			<0.05			0.26			0.8
No	392	54.1		145	40.3		52	34.0
Yes	460	59.6		159	44.4		48	32.7
Surgery			0.26			0.11			0.38
No	44	51.2		7	26.9		1	16.7
Yes	808	57.3		297	42.9		99	33.7
Comorbidity score			0.25			0.86			<0.05
0	569	57.7		186	43.0		48	27.6
1-2	192	57.7		74	40.7		32	37.2
3 or more	91	51.1		44	42.7		20	50.0

ISSN: 1471-2407