Table 1 Characteristics of women with incident breast cancer with medical record confirmation and without medical records, stratified by race/ethnicity, Sister Study 2003-2014a
Medically confirmed (n = 2054) | No medical records (n = 452) | |||||||
|---|---|---|---|---|---|---|---|---|
Non-Hispanic white | Non-Hispanic black | Hispanic | Other | Non-Hispanic white | Non-Hispanic black | Hispanic | Other | |
Total | 1812 (88) | 114 (6) | 69 (3) | 58 (3) | 349 (77) | 67 (15) | 20 (4) | 16 (4) |
Age at diagnosis, yearsc | ||||||||
35–49 | 229 (13) | 17 (15) | 15 (22) | 12 (21) | 51 (15) | 18 (27) | 2 (11) | 2 (13) |
50–54 | 247 (14) | 12 (11) | 12 (17) | 9 (16) | 42 (13) | 13 (20) | 5 (26) | 1 (6) |
55–59 | 329 (18) | 25 (22) | 8 (12) | 9 (16) | 68 (20) | 14 (21) | 2 (11) | 6 (38) |
60–64 | 334 (18) | 24 (21) | 15 (22) | 14 (24) | 61 (18) | 5 (8) | 4 (21) | 2 (13) |
≥ 65 | 673 (37) | 36 (32) | 19 (28) | 14 (24) | 114 (34) | 16 (24) | 6 (32) | 5 (31) |
Family history of breast cancer, number of relativesb | ||||||||
1 | 1149 (63) | 75 (66) | 46 (67) | 38 (66) | 224 (64) | 49 (73) | 14 (70) | 10 (63) |
2 | 567 (31) | 28 (25) | 19 (28) | 18 (31) | 113 (32) | 17 (25) | 4 (20) | 4 (25) |
≥ 3 | 96 (5) | 11 (10) | 4 (6) | 2 (3) | 12 (3) | 1 (1) | 2 (10) | 2 (13) |
Menopausal status at diagnosisc | ||||||||
Premenopausal | 374 (21) | 28 (25) | 21 (30) | 15 (26) | 72 (21) | 26 (39) | 4 (20) | 5 (31) |
Postmenopausal | 1427 (79) | 86 (75) | 48 (70) | 42 (74) | 271 (79) | 41 (61) | 16 (80) | 11 (69) |
Educationc | ||||||||
High school or less | 253 (14) | 8 (7) | 10 (14) | 10 (17) | 54 (15) | 6 (9) | 6 (30) | 4 (25) |
Some college, no degree | 313 (17) | 20 (18) | 14 (20) | 13 (22) | 62 (18) | 17 (25) | 2 (10) | 7 (44) |
Associate/ technical degree | 238 (13) | 18 (16) | 10 (14) | 6 (10) | 53 (15) | 17 (25) | 3 (15) | 1 (6) |
Bachelor’s degree | 509 (28) | 32 (28) | 21 (30) | 20 (34) | 94 (27) | 17 (25) | 5 (25) | 1 (6) |
Graduate degree | 499 (28) | 36 (32) | 14 (20) | 9 (16) | 86 (25) | 10 (15) | 4 (20) | 3 (19) |
Marital statusc | ||||||||
Legally or living as married | 1418 (78) | 52 (46) | 43 (62) | 46 (79) | 248 (71) | 41 (61) | 14 (70) | 12 (75) |
Not legally or living as married | 394 (22) | 62 (54) | 26 (38) | 12 (21) | 101 (29) | 26 (39) | 6 (30) | 4 (25) |
Household incomec | ||||||||
< $50,000 | 381 (22) | 33 (30) | 31 (45) | 17 (29) | 91 (28) | 14 (22) | 9 (45) | 7 (47) |
$50,000–$99,999 | 705 (41) | 54 (49) | 21 (30) | 22 (38) | 117 (36) | 29 (45) | 8 (40) | 4 (27) |
≥ $100,000 | 643 (37) | 24 (22) | 17 (25) | 19 (33) | 114 (35) | 22 (34) | 3 (15) | 4 (27) |