Table 4.

Demographic characteristics of older, long-term survivors of early-stage breast cancer who did and did not receive tamoxifen

Characteristic n=	Total n=1286	%	Tamoxifen n=852	%	No Tamoxifen n=434	%	P value
Age (years)
70–74	473	37	309	36	164	38	0.8604
75–79	395	31	263	31	132	30
≥80	418	33	280	33	138	32
Race/Ethnicity
White, non-hispanic	1050	82	687	81	363	84	0.0615
African American	132	10	84	10	48	11
Asian/Pacific Islander	33	3	27	3	6	1
Hispanic	71	6	54	6	17	4
Smoking Status
Never/non-smoker	824	64	549	64	275	63	0.9529
Current	74	6	50	6	24	6
Previous	321	25	210	25	111	26
No mention	67	5	43	5	24	6
Body Mass Index (BMI)
<18.5	34	3	22	3	12	3	0.0004
18.5–24.9	354	28	243	29	111	26
25–29.9	356	28	246	29	110	26
≥30	282	22	199	23	83	19
Missing	260	20	142	17	118	27
Charlson Comorbidity Index
0	716	56	462	54	254	59	0.0073
1–2	463	36	326	38	137	32
3–4	86	7	56	7	30	7
≥5	21	2	8	1	13	3
Other Diagnoses
Diabetes	194	15	130	15	64	15	0.8017
Arthritis	66	5	38	4	28	6	0.1259
Osteoporosis	444	35	293	34	151	35	0.8857
Breast cancer recurrence	161	13	121	14	40	9	0.0106