Table 1.

Patient Characteristics

		Full Sample N=1527		Received Recurrence Score Assay N=778	Received Systemic Chemo N=472
Characteristics a
Age (in years) at diagnosis	Mean (95% CI)		61.0 (60.5,61.6)	59.1 (58.4,59.8)*	57.2 (56.2,58.2)*
		N	%(SE)	%(SE)	%(SE)
Clinical group	Lymph-node negative, more favorable: node-, age≥50 or grade=1-2	917	60.1(1.3)	62.6(1.7)***	25.2(2.0)***
	Node-negative less favorable: node-, age<50 or grade=3	297	19.4(1.0)	24.3(1.5)	30.3(2.1)
	Node-positive disease	303	19.8(1.0)	13.0 (1.2)	44.3(2.3)
	Missing	10	0.7(0.2)	0.1(0.1)	0.2(0.2)
Comorbiditiesb	No diagnosis	1102	72.2(1.2)	74.6(1.6)**	76.1(2.0)**
	One condition	328	21.5(1.1)	21.0(1.5)	19.7(1.8)
	Two or more conditions	88	5.8(0.6)	3.9(0.7)	3.8(0.9)
	Missing	9	0.6(0.2)	0.6(0.3)	0.4(0.3)
Race/Ethnicity	White	869	56.9(1.3)	62.0(1.7)***	51.7(2.3)*
	Black	233	15.3(0.9)	15.0(1.3)	17.2(1.7)
	Latina	268	17.6(1.0)	13.2(1.2)	20.3(1.9)
	Asian	112	7.3(0.7)	6.7(0.9)	7.2(1.2)
	Missing	45	2.9(0.4)	3.1(0.6)	3.6(0.9)
Education	High School/GED or less	449	29.4(1.2)	26.0(1.6)***	28.8(2.1)
	Some college or technical school	491	32.2(1.2)	31.9(1.7)	32.2(2.2)
	College graduate or higher	567	37.1(1.2)	40.9(1.8)	37.3(2.2)
	Missing	20	1.3(0.3)	1.3(0.4)	1.7(0.6)
Annual Family Income	< $20,000	234	15.3(0.9)	14.7(1.3)***	15.0(1.7)
	$20,000-$60,000	417	27.3(1.1)	24.8(1.6)	26.1(2.0)
	> $60,000	583	38.2(1.2)	43.3(1.8)	42.2(2.3)
	Missing	293	19.2(1.0)	17.2(1.4)	16.7(1.7)
Site	Georgia	839	54.9(1.3)	65.8(1.7)***	51.7(2.3)
	Los Angeles County	688	45.1(1.3)	34.2(1.7)	48.3(2.3)

^aExcept for age, data are expressed as No. (%) of patients, with corresponding standard errors (SEs). All %s are unweighted.

^bPatient reported a doctor in the past told them they had chronic lung disease, heart disease, diabetes, or stroke

^***p < .001

^**p < .01

^*p <.05