Table 2.

Sociodemographic and Clinical Characteristics of Study Population by Treatment and Perceived Quality of Care

	Total		Patient and Registry- Reported Outcome: Treatment (N=542)					Patient-Reported Outcome: Perceived Quality of Care (N=541)
			Not guideline- concordant		Guideline- concordant			Less than excellent		Excellen
	N	Col %	N	Row %	N	Row %	P-value	N	Row %	N	Row %	P-value
Demographics
Race/Ethnicity/Education a
API <CD	94	17.3	22	23.4	72	76.6	0.27	38	40.4	56	59.6	<0.01
API CD+	141	26.0	35	24.8	106	75.2		48	34.0	92	65.3
Black <CD	41	7.6	16	39.0	25	61.0		7	17.1	34	82.9
Black CD+	20	3.7	3	15.0	17	85.0		5	25.0	15	75.0
Hispanic <CD	30	5.5	6	20.0	24	80.0		7	23.3	23	76.7
Hispanic CD+	10	1.9	2	20.0	8	80.0		6	60.0	4	40.0
White <CD	72	13.3	13	18.1	59	81.9		15	20.8	57	79.2
White CD+	124	22.9	25	20.2	99	79.8		21	16.9	103	83.1
Missing	10	1.9	5	50.0	5	50.0		4	40.0	6	60.0
Age
<45	34	6.3	9	26.5	25	73.5	0.06	12	35.3	22	64.7	0.03
45–54	141	26.0	31	22.0	110	78.0		48	34.0	93	66.0
55–64	177	32.7	33	18.6	144	81.4		54	30.5	123	69.5
65–74	137	25.3	44	32.1	93	67.9		28	20.4	108	78.8
75+	53	9.8	10	18.9	43	81.1		9	17.0	44	83.0
Partner Status b
Partnered	378	69.7	91	24.1	287	75.9	0.59	107	28.3	271	71.7	0.76
Not partnered	164	30.3	36	22.0	128	78.1		44	26.8	119	72.6
Health Insurance c
Private	391	72.1	99	25.3	292	74.7	0.13	111	28.4	279	71.4	0.76
Public	136	25.1	27	19.9	109	80.2		37	27.2	99	72.8
Other or missing	15	2.8	1	6.7	14	93.3		3	20.0	12	80.0
Clinical characteristics
AJCC Stage
I	295	54.4	91	30.9	204	69.2	<0.01	83	28.1	212	71.9	0.04
II	187	34.5	36 d	---	152	---		68 d	---	128	---
III or IV	46	8.5		---	45	---			---	40	---
Missing	14	2.6		---	14	---			---	10	---
Tumor Size
<1 cm	111	20.5	42	37.8	69	62.2	<0.01	33	29.7	78	70.3	0.63
1–1.9 cm	214	39.5	50	23.4	164	76.6		58	27.1	155	72.4
2–2.9	95	17.5	20	21.1	75	79.0		30	31.6	65	68.4
3+ cm	105	19.4	15 e	---	91	---		30 e	---	80	---
Missing	17	3.1		---	16	---			---	12	---
Histology subtype
Ductal	391	72.1	93	23.8	298	76.2	0.90	111	28.4	279	71.4	0.62
Lobular	110	20.3	24	21.8	86	78.2		27	24.6	83	75.5
Other	41	7.6	10	24.4	31	75.6		13	31.7	28	68.3
Hospital characteristics
NCI-designated cancer center
No	503	92.8	118	23.5	385	76.5	0.96	142	28.2	360	71.6	0.49
Yes	39	7.2	9	23.1	30	76.9		9	23.1	30	76.9
Ownership
Public	192	35.4	44	22.9	148	77.1	0.74	55	28.7	137	71.4	0.63
Private	289	53.3	70	24.2	219	75.8		77	26.6	212	73.4
Missing	61	11.3	13	21.3	48	78.7		19	31.2	41	67.2
Interpersonal factors
Discrimination
Never (0)	348	64.2	83	23.9	265	76.2	0.37	59	17.0	289	83.1	<0.01
Low (1-2)	102	18.8	19	18.6	83	81.4		35	34.3	66	64.7
Moderate (3-6)	89	16.4	24	27.0	65	73.0		55	61.8	34	38.2
Missing	3	0.6	1	33.3	2	66.7		2	66.7	1	33.3
Clinician mistrust
None (0)	436	80.4	103	23.6	333	76.4	0.97	106	24.3	329	75.5	<0.01
Any (1)	98	18.1	23	23.5	75	76.5		41	41.8	57	58.2
Missing	8	1.5	1	12.5	7	87.5		4	50.0	4	50.0
Treatment decision-making
Patient-driven	212	39.1	55	25.9	157	74.1	0.45	67	31.6	144	67.9	0.07
Shared	252	46.5	53	21.0	199	79.0		58	23.0	194	77.0
Physician-driven	77	14.2	19	24.7	58	75.3		25	32.5	52	67.5
Missing	1	0.2	0	0.0	1	100.0		1	100.0	0	0.0
Total	542	100.0	127	23.4	415	76.6		151	27.9	390	72.1

^aCD = 4-year college degree

^bPartnered = legally married or registered domestic partner, living with a partner to whom you are not married, in a relationship but not living with a partner; Not-partnered = single, separated, divorced, widowed

^cOther = Military, Indian Health Service, other, uninsured; Public = Medicare, Medi-Cal, another government or public program

^dAlso includes counts for stage III, IV and missing because these categories had counts <5 and cell sizes <5 cannot be shown per California Cancer Registry guidelines

^eAlso includes counts for missing because this category had a count of <5 and cell sizes <5 cannot be shown per California Cancer Registry guidelines