Table 1. Sample Characteristics by Baseline Subgroup.

Characteristic	Total sample	1 Low Symptom Burden	2 Mild Fatigue	3 Mild Fatigue & Mild Pain	4 Moderate Fatigue & Moderate Pain	5 Moderate Fatigue & Moderate Psych	6 Moderate Fatigue, Mild Pain & Psych	7 High Symptom Burden	Overall p-value
	n = 653	n = 82	n = 161	n = 50	n = 49	n = 87	n = 120	n = 104
Age, years; mean (SD)	54.9 (12.6)	62.7 (11.3)	53.8 (11.3)	62.8 (12.8)	58.5 (14.3)	50.3 (11.6)	53.8 (12.4)	50.4 (10.8)	<0.001
Race (%)									0.097
White	89.6	92.7	91.3	94.0	83.7	88.5	92.5	82.7
Non-white	10.4	7.3	8.7	6.0	16.3	11.5	7.5	17.3
Education (%)									0.19
High school or less	12.6	11.0	9.3	18.0	22.5	9.2	12.5	14.4
> High school	87.4	89.0	90.7	82.0	77.6	90.8	87.5	85.6
Partner status (%)									0.526
Married/partnered	71.7	65.9	69.6	74.0	75.5	71.3	78.3	69.2
Not partnered	28.3	34.2	30.4	26.0	24.5	28.7	21.7	33.7
Difficulty paying for basics (%)									<0.001
Yes	18.5	8.5	10.6	18.0	14.3	28.7	17.5	33.7
No	81.5	91.5	89.4	82.0	85.7	71.3	82.5	66.4
Cancer stage (%)									<0.001
Stage I	51.8	73.2	59.0	50.0	55.1	56.3	50.0	21.2
Stage II	40.1	19.5	32.3	42.0	36.7	37.9	43.3	67.3
Stage III	8.1	7.3	8.7	8.0	8.2	5.8	6.7	11.5
Chemotherapy (%)									<0.001
Yes (active treatment)	46.6	22.0	46.0	32.0	34.7	50.6	55.8	65.4
Yes (post treatment)	13.2	7.3	14.3	16.0	16.3	9.2	14.2	15.4
No	40.3	70.7	39.8	52.0	49.0	40.2	30.0	19.2
Radiation (%)									0.17
Yes (active treatment)	8.1	15.9	7.5	10.0	4.1	8.1	6.7	5.8
Yes (post treatment)	17.0	32.9	14.9	28.0	22.5	13.8	13.3	6.7
No	74.9	51.2	77.6	62.0	73.5	78.2	80.0	87.5
Mastectomy (%)	36.3	15.9	42.2	26.0	26.5	32.2	39.2	52.9	<0.001
Illness intrusiveness, mean (SD)	34.7 (16.9)	18.3 (8.1)	28.9 (13.2)	25.5 (10.4)	31.1 (14.5)	43.2 (15.9)	39.6 (15.2)	49.6 (14.8)	<0.001
Social support, mean (SD)	4.3 (0.7)	4.5 (0.6)	4.4 (0.6)	4.3 (0.7)	4.3 (0.7)	4.2 (0.7)	4.3 (0.7)	4.0 (0.8)	<0.001