Table 1.
Individual characteristics of women with non-metastatic invasive breast cancer (N=3,312) stratified by neighborhood socioeconomic deprivation.
| Variable | Neighborhood Socioeconomic Deprivation a
|
P b | |||
|---|---|---|---|---|---|
| Q1 (n=827) | Q2 (n=828) | Q3 (n=826) | Q4 (n=831) | ||
| Triple-Negative Subtype | <0.001 | ||||
| Yes | 126 (15.2) | 132 (15.9) | 144 (17.4) | 219 (26.4) | |
| No | 701 (84.8) | 696 (84.1) | 682 (82.6) | 612 (73.7) | |
| Age (Years) | 0.108 | ||||
| <45 | 195 (23.6) | 178 (21.5) | 146 (17.7) | 172 (20.7) | |
| 45–54 | 269 (32.5) | 253 (30.6) | 268 (32.5) | 286 (34.4) | |
| 55–64 | 226 (27.3) | 256 (30.9) | 251 (30.4) | 238 (28.6) | |
| 65–74 | 137 (16.6) | 141 (17.0) | 161 (19.5) | 135 (16.3) | |
| Race | <0.001 | ||||
| White | 776 (93.8) | 763 (92.2) | 677 (82.0) | 204 (24.6) | |
| AA | 21 (2.5) | 45 (5.4) | 131 (15.9) | 615 (74.0) | |
| Others | 30 (3.6) | 20 (2.4) | 18 (2.2) | 12 (1.4) | |
| Marital | <0.001 | ||||
| Married/Partnered | 623 (75.3) | 566 (68.4) | 463 (56.1) | 277 (33.3) | |
| Unmarried/Unpartnered | 204 (24.7) | 262 (31.6) | 363 (44.0) | 554 (66.7) | |
| Insurance | <0.001 | ||||
| Private/managed care | 572 (69.2) | 534 (64.5) | 464 (56.2) | 360 (43.3) | |
| Medicaid/Medicare/public | 203 (24.6) | 242 (29.3) | 310 (37.5) | 418 (50.3) | |
| Uninsured | 52 (6.3) | 52 (6.3) | 52 (6.3) | 53 (6.4) | |
| Stage | <0.001 | ||||
| I | 381 (46.1) | 377 (45.5) | 336 (40.7) | 286 (34.4) | |
| II | 334 (40.4) | 343 (41.4) | 361 (43.7) | 403 (48.5) | |
| III | 112 (13.5) | 108 (13.0) | 129 (15.6) | 142 (17.1) | |
| Grade | <0.001 | ||||
| Well differentiated | 198 (23.9) | 189 (22.8) | 204 (24.7) | 146 (17.6) | |
| Moderately | 324 (39.2) | 310 (37.4) | 303 (36.7) | 237 (28.5) | |
| Poorly | 305 (36.9) | 329 (39.7) | 319 (38.6) | 448 (53.9) | |
| Comorbidity | <0.001 | ||||
| Mild/no | 661 (89.3) | 632 (86.5) | 622 (85.6) | 605 (79.1) | |
| Moderately | 49 (6.6) | 59 (8.1) | 66 (9.1) | 110 (14.4) | |
| Severe | 30 (4.1) | 40 (5.5) | 39 (5.4) | 50 (6.5) | |
| Missing | 87 | 97 | 99 | 66 | |
| Hormone therapy | <0.001 | ||||
| Yes | 562 (68.8) | 526 (64.4) | 535 (66.0) | 439 (53.3) | |
| No | 255 (31.2) | 291 (35.6) | 276 (34.0) | 384 (46.7) | |
| Missing | 10 | 11 | 15 | 8 | |
| Trastuzumab therapy | 0.475 | ||||
| Yes | 55 (6.7) | 41 (5.0) | 44 (5.3) | 46 (5.5) | |
| No | 772 (93.4) | 787 (95.1) | 782 (94.7) | 785 (94.5) | |
| Chemotherapy | 0.017 | ||||
| Yes | 512 (62.1) | 502 (60.9) | 501 (61.2) | 555 (67.5) | |
| No | 312 (37.9) | 322 (39.1) | 318 (38.8) | 267 (32.5) | |
| Missing | 3 | 4 | 7 | 9 | |
| Radiotherapy | 0.401 | ||||
| Yes | 549 (66.9) | 565 (68.8) | 548 (67.0) | 533 (64.8) | |
| No | 272 (33.1) | 256 (31.2) | 270 (33.0) | 289 (35.2) | |
| Missing | 6 | 7 | 8 | 9 | |
| Surgery | 0.001 | ||||
| Mastectomy | 382 (46.5) | 375 (45.5) | 363 (44.15) | 342 (41.3) | |
| Lumpectomy | 432 (52.6) | 440 (53.3) | 446 (54.1) | 457 (55.1) | |
| None | 8 (1.0) | 10 (1.2) | 15 (1.8) | 30 (3.6) | |
| Missing | 5 | 3 | 2 | 2 | |
| Alcohol use | <0.001 | ||||
| No or former use | 472 (57.7) | 501 (61.3) | 526 (64.2) | 552 (67. 6) | |
| Current use | 346 (42.3) | 316 (38.7) | 294 (35.9) | 265 (32.4) | |
| Missing | 9 | 11 | 6 | 14 | |
| Smoking status | <0.001 | ||||
| Non-smoker/former | 482 (66.2) | 444 (60.0) | 432 (57.2) | 406 (53.1) | |
| Current smoker | 246 (33.8) | 296 (40.0) | 323 (42.8) | 359 (46.9) | |
| Missing | 99 | 88 | 71 | 66 | |
a
Q1 denotes the least socioeconomically deprived quartile and Q4 denotes the most socioeconomically deprived quartile; there were 242 census tracts in Q1, 230 in Q2, 236 in Q3, and 159 in Q4.
b
Chi-square tests.