Table 1. Sociodemographic, clinical, and treatment characteristics of patients diagnosed with breast cancer, according to marital status, California, 2005–2012.
| All N = 145564 |
Married N = 83383 |
Single/Separated/ Divorced N = 41521 |
Widowed N = 20660 |
|
|---|---|---|---|---|
| No. (%) | No. (%) | No. (%) | No. (%) | |
| Sociodemographic Characteristics | ||||
| Age, years | ||||
| <35 | 3108 (2.1) | 1665 (2.0) | 1429 (3.4) | 14 (0.1) |
| 35–49 | 32321 (22.2) | 21433 (25.7) | 10512 (25.3) | 376 (1.8) |
| 50–59 | 37273 (25.6) | 23943 (28.7) | 11892 (28.6) | 1438 (7.0) |
| 60–64 | 18697 (12.8) | 11408 (13.7) | 5742 (13.8) | 1547 (7.5) |
| 65–69 | 16677 (11.5) | 9531 (11.4) | 4646 (11.2) | 2500 (12.1) |
| 70–74 | 12682 (8.7) | 6677 (8.0) | 2981 (7.2) | 3024 (14.6) |
| ≥75 | 24806 (17.0) | 8726 (10.5) | 4319 (10.4) | 11761 (56.9) |
| Race/ethnicity | ||||
| Non-Hispanic white | 90349 (62.1) | 51715 (62.0) | 24401 (58.8) | 14233 (68.9) |
| Black | 9324 (6.4) | 3309 (4.0) | 4627 (11.1) | 1388 (6.7) |
| Hispanic | 26103 (17.9) | 15140 (18.2) | 8108 (19.5) | 2855 (13.8) |
| Asian/Pacific Islander | 18374 (12.6) | 12478 (15.0) | 3896 (9.4) | 2000 (9.7) |
| Other/unknown | 1414 (1.0) | 741 (0.9) | 489 (1.2) | 184 (0.9) |
| Neighborhood (block group) statewide SES quintile | ||||
| 1st (lowest) | 18450 (12.7) | 8686 (10.4) | 6815 (16.4) | 2949 (14.3) |
| 2nd | 25289 (17.4) | 13016 (15.6) | 8106 (19.5) | 4167 (20.2) |
| 3rd | 29720 (20.4) | 16423 (19.7) | 8814 (21.2) | 4483 (21.7) |
| 4th | 34088 (23.4) | 19988 (24.0) | 9398 (22.6) | 4702 (22.8) |
| 5th (highest) | 38017 (26.1) | 25270 (30.3) | 8388 (20.2) | 4359 (21.1) |
| Insurance status | ||||
| No insurance | 24509 (16.8) | 14679 (17.6) | 7476 (18.0) | 2354 (11.4) |
| Private | 67632 (46.5) | 43916 (52.7) | 18306 (44.1) | 5410 (26.2) |
| Medicare or Medicare+Private | 18742 (12.9) | 9324 (11.2) | 3715 (8.9) | 5703 (27.6) |
| Any Public/Medicaid/Military | 30452 (20.9) | 13063 (15.7) | 10907 (26.3) | 6482 (31.4) |
| Unknown | 4229 (2.9) | 2401 (2.9) | 1117 (2.7) | 711 (3.4) |
| Clinical Characteristics | ||||
| AJCC Stage | ||||
| I | 66046 (45.4) | 39638 (47.5) | 17082 (41.1) | 9326 (45.1) |
| II | 48760 (33.5) | 28144 (33.8) | 14194 (34.2) | 6422 (31.1) |
| III | 17754 (12.2) | 9756 (11.7) | 5711 (13.8) | 2287 (11.1) |
| IV | 6982 (4.8) | 3084 (3.7) | 2729 (6.6) | 1169 (5.7) |
| Unknown | 6022 (4.1) | 2761 (3.3) | 1805 (4.3) | 1456 (7.0) |
| Molecular subtype | ||||
| HR+/HER2- | 87989 (60.4) | 50813 (60.9) | 24510 (59.0) | 12666 (61.3) |
| HR+/HER2+ | 14538 (10.0) | 8573 (10.3) | 4379 (10.5) | 1586 (7.7) |
| HR-/HER2+ | 7274 (5.0) | 4329 (5.2) | 2116 (5.1) | 829 (4.0) |
| Triple negative | 15106 (10.4) | 8705 (10.4) | 4604 (11.1) | 1797 (8.7) |
| Unclassified | 20657 (14.2) | 10963 (13.1) | 5912 (14.2) | 3782 (18.3) |
| Lymph node involvement | ||||
| Negative | 92823 (63.8) | 53962 (64.7) | 25195 (60.7) | 13666 (66.1) |
| Positive | 48757 (33.5) | 27961 (33.5) | 14966 (36.0) | 5830 (28.2) |
| Unknown | 3984 (2.7) | 1460 (1.8) | 1360 (3.3) | 1164 (5.6) |
| Tumor Size (cm) | ||||
| 0.10 < tumor ≤0.50 | 9459 (6.5) | 5863 (7.0) | 2444 (5.9) | 1152 (5.6) |
| 0.50 <tumor ≤ 1.00 | 22449 (15.4) | 13550 (16.3) | 5620 (13.5) | 3279 (15.9) |
| 1.00 <tumor ≤ 2.00 | 48621 (33.4) | 28997 (34.8) | 13043 (31.4) | 6581 (31.9) |
| 2.00 <tumor ≤ 5.00 | 45579 (31.3) | 25372 (30.4) | 13711 (33.0) | 6496 (31.4) |
| >5.00 | 11006 (7.6) | 5474 (6.6) | 3984 (9.6) | 1548 (7.5) |
| Microinvasion | 1546 (1.1) | 962 (1.2) | 414 (1.0) | 170 (0.8) |
| Diffused | 757 (0.5) | 364 (0.4) | 300 (0.7) | 93 (0.5) |
| Unknown | 6147 (4.2) | 2801 (3.4) | 2005 (4.8) | 1341 (6.5) |
| Grade | ||||
| Grade I | 30988 (21.3) | 18109 (21.7) | 8218 (19.8) | 4661 (22.6) |
| Grade II | 58240 (40.0) | 33593 (40.3) | 16211 (39.0) | 8436 (40.8) |
| Grade III/IV | 46587 (32.0) | 26937 (32.3) | 14123 (34.0) | 5527 (26.8) |
| Unknown | 9749 (6.7) | 4744 (5.7) | 2969 (7.2) | 2036 (9.9) |
| Histology | ||||
| Ductal | 111557 (76.6) | 64600 (77.5) | 32104 (77.3) | 14853 (71.9) |
| Lobular | 23418 (16.1) | 13620 (16.3) | 6262 (15.1) | 3536 (17.1) |
| Other | 10589 (7.3) | 5163 (6.2) | 3155 (7.6) | 2271 (11.0) |
| Treatment | ||||
| Surgery | ||||
| No surgery | 10368 (7.1) | 4161 (5.0) | 3783 (9.1) | 2424 (11.7) |
| Breast conserving surgery | 78579 (54.0) | 46247 (55.5) | 21609 (52.0) | 10723 (51.9) |
| Mastectomy | 56339 (38.7) | 32845 (39.4) | 16053 (38.7) | 7441 (36.0) |
| Other/unknown | 278 (0.2) | 130 (0.2) | 76 (0.2) | 72 (0.3) |
| Chemotherapy | ||||
| No | 83953 (57.7) | 45097 (54.1) | 22580 (54.4) | 16276 (78.8) |
| Yes | 59274 (40.7) | 36972 (44.3) | 18265 (44.0) | 4037 (19.5) |
| Unknown | 2337 (1.6) | 1314 (1.6) | 676 (1.6) | 347 (1.7) |
| Radiation therapy | ||||
| No | 76327 (52.4) | 41365 (49.6) | 22165 (53.4) | 12797 (61.9) |
| Yes | 69109 (47.5) | 41978 (50.3) | 19330 (46.6) | 7801 (37.8) |
| Unknown | 128 (0.1) | 40 (0.0) | 26 (0.1) | 62 (0.3) |
Abbreviations: SES = socioeconomic status; AJCC = American Joint Committee on Cancer; HR = hormone receptor; HER2 = human epidermal receptor 2