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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

From: Validity of self-reported breast cancer characteristics in a nationwide cohort of women with a family history of breast cancer

  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)
  1. aData are reported as number (percentage) of women. Totals may not always equal 100% because of rounding
  2. bIncludes sisters (full and half), mother, and daughters
  3. cMissing: n = 15 (age at diagnosis); n = 18 (menopausal status); n = 1 (race/ethnicity, education, marital status); n = 117 (household income)