Race/Ethnicity, Primary Language, and Income Are Not Demographic Drivers of Mortality in Breast Cancer Patients at a Diverse Safety Net Academic Medical Center
Table 1
Risk of breast cancer mortality by demographic factors.
Characteristic
(1046)
Deaths (%)
Unadjusted OR (95% CI)
value
Multivariable OR (95% CI)
value
Race
White
403
49 (12.2)
1.00
1.00
Black
374
51 (13.6)
1.14 (0.75–1.74)
0.539
1.01 (0.54–1.87)
0.988
Hispanic
129
7 (5.4)
0.42 (0.18–0.94)
0.035
0.15 (0.02–1.32)
0.088
Other
140
13 (9.3)
0.74 (0.39–1.41)
0.359
0.90 (0.36–2.25)
0.822
Primary language
English
783
96 (12.3)
1.00
1.00
Spanish
94
6 (6.4)
0.49 (0.21–1.15)
0.100
3.24 (0.32–32.94)
0.320
Haitian Creole
73
8 (11.0)
0.88 (0.41–1.89)
0.745
0.48 (0.17–1.33)
0.159
Other
96
10 (10.4)
0.83 (0.42–1.66)
0.601
1.01 (0.36–2.82)
0.986
Insurance type
Commercial/private
263
17 (6.5)
1.00
1.00
Medicaid/free-care
378
36 (9.5)
1.52 (0.84–2.77)
0.169
0.86 (0.40–1.82)
0.690
Medicare
405
67 (16.5)
2.87 (1.64–5.00)
0.0002
1.36 (0.63–2.93)
0.438
Age (years)
<40
70
8 (11.4)
1.00
1.00
>40 to ≤50
242
19 (7.9)
0.66 (0.28–1.58)
0.351
0.63 (0.23–1.73)
0.369
>50 to ≤60
298
24 (8.1)
0.68 (0.29–1.58)
0.370
0.51 (0.18–1.42)
0.195
>60 to ≤70
229
15 (6.6)
0.54 (0.22–1.34)
0.186
0.72 (0.24–2.23)
0.575
>70
207
54 (26.1)
2.74 (1.23–6.08)
0.014
3.88 (1.13–11.48)
0.014
Marital status
Married
386
33 (8.6)
1.00
1.00
Single
370
49 (13.2)
1.63 (1.02–2.60)
0.039
2.36 (1.28–4.37)
0.006
Other
290
38 (13.1)
1.61 (0.99–2.64)
0.058
1.28 (0.66–2.45)
0.468
Income (US dollars)
≤30,000
124
21 (17.0)
1.00
1.00
>30,000 to ≤50,000
548
58 (10.6)
0.58 (0.34–1.00)
0.050
0.59 (0.29–1.20)
0.145
>50,000 to ≤75,000
223
25 (11.2)
0.62 (0.33–1.16)
0.134
0.41 (0.17–1.03)
0.057
>75,000 to ≤100,000
84
6 (7.1)
0.38 (0.15–0.98)
0.045
0.61 (0.20–1.86)
0.383
>100,000
67
10 (15.0)
0.86 (0.38–1.95)
0.720
0.95 (0.33–2.75)
0.928
Stage of diagnosis
0, I, IA
609
31 (5.1)
1.00
1.00
II, IIA, IIB
271
24 (8.9)
1.81 (1.04–3.15)
0.035
1.99 (1.09–3.61)
0.024
III, IIIA, IIIB, IIIC
128
36 (28.1)
7.30 (4.30–12.37)
<0.0001
12.26 (6.57–22.89)
<0.0001
IV
38
29 (76.3)
60.08 (26.18–137.85)
<0.0001
171.81 (59.99–492.06)
<0.0001
number of patients. Reference category. Odds ratios were calculated using logistic regression.
