Table 1.

Select characteristics of the study sample of Black breast cancer survivors in the Women's Circle of Health Follow-Up Study (2014–2018), by AL measure cohort.

AL measure 1 cohort (n = 229)AL measure 2 cohort (n = 409)
n (%)n (%)
Sociodemographics
 Age at diagnosis (years), mean ± SD56.6 ± 9.255.0 ± 10.4
 Age at diagnosis (years)
  20–4959 (25.8)129 (31.5)
  50–5974 (32.3)131 (32.0)
  60–7596 (41.9)149 (36.4)
 Birthplace
  U.S. born195 (85.2)344 (84.1)
  Foreign born34 (14.8)65 (15.9)
 Marital status
  Married or living as married82 (35.8)142 (34.7)
  Separated/divorced/widowed83 (36.2)139 (34.0)
  Single/never married64 (28.0)128 (31.3)
 Education
  Below college84 (36.7)142 (34.7)
  Technical school/some college78 (34.1)140 (34.2)
  College graduate and above67 (29.3)127 (31.1)
 Annual household income
  <$20,00059 (26.5)98 (24.7)
  $20,000–69,99991 (40.8)173 (43.6)
  ≥$70,00073 (32.7)126 (31.7)
 Primary health insurance
  Medicaid35 (15.3)55 (13.4)
  Medicare55 (24.0)82 (20.0)
  Private/employer sponsored128 (55.9)246 (60.2)
  Other11 (4.8)26 (6.4)
Reproductive characteristics and medical history
 BMI (kg/m2), mean ± SD32.71 ± 7.0532.05 ± 7.03
 BMI (kg/m2)
  <25.023 (10.0)54 (13.2)
  25.0–29.9973 (31.9)127 (31.0)
  30.0–34.9951 (22.3)98 (24.0)
  ≥35.082 (35.8)130 (31.8)
 Menopausal status
  Premenopausal51 (22.3)120 (29.3)
  Postmenopausal178 (77.7)289 (70.7)
 Age at menarche (years)
  <1262 (27.2)115 (28.2)
  12–13107 (46.9)189 (46.3)
  >1359 (25.9)104 (25.5)
 Family history of breast cancer
  Yes100 (43.7)190 (46.4)
  No129 (56.3)219 (53.6)
 History of oral contraceptive use
  Yes173 (75.6)309 (75.6)
  No56 (24.4)100 (24.4)
 History of hormone therapy use
  Yes39 (17.2)65 (16.0)
  No188 (82.8)341 (84.0)
 Parity
  Nulliparous29 (12.7)75 (18.3)
  1–2114 (49.8)204 (49.9)
  ≥386 (37.5)130 (31.8)
 History of breastfeedinga
  Yes107 (53.5)181 (54.2)
  No93 (46.5)153 (45.8)
 Comorbid conditions
  036 (15.7)91 (22.2)
  168 (29.7)122 (29.8)
  ≥2125 (54.6)196 (47.9)
Breast tumor clinicopathology characteristics
 Tumor stage
  Stage 048 (21.0)86 (21.0)
  Stage I80 (34.9)140 (34.2)
  Stage II86 (37.6)145 (35.4)
  Stage III15 (6.5)38 (9.3)
 Tumor grade
  Well differentiated33 (15.4)55 (14.4)
  Moderately differentiated77 (36.0)137 (35.8)
  Poorly differentiated104 (48.6)191 (49.9)
 ER status
  ER+173 (76.2)314 (77.2)
  ER54 (23.8)93 (22.8)
 Tumor size
  <2 cm151 (65.9)262 (64.1)
  ≥2 cm78 (34.1)147 (35.9)
  • Note: Percentages may not sum to 100 due to rounding. All stage 0 cases were classified as tumor size <2 cm.

  • aHistory of breastfeeding was assessed among parous women only.