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Table 1 Demographics of the study population

From: Frequency format diagram and probability chart for breast cancer risk communication: a prospective, randomized trial

Variable BG group* (n = 74) BG+FF group* (n = 76) Pvalue
Mean ± SD Age, years 60.9 ± 9.8 59.6 ± 10.2 .44
Education    .32
   Elementary 4 (5%) 0 (0%)  
   High school 21 (28%) 20 (26%)  
   Some college 21 (28%) 25 (33%)  
   College graduate 11 (15%) 14 (18%)  
   Graduate or professional degree 17 (23%) 17 (22%)  
Mean ± SD Gail risk score 3.7 ± 2.1 3.2 ± 1.7 .12
Gail risk score categories    .51
   < 2% 15 (20%) 11 (14%)  
   2%–9% 57 (77%) 64 (84%)  
   10%–49% 2 (3%) 1 (1%)  
   ≥ 50% 0 (0%) 0 (0%)  
Family history    .28
   No 14 (19%) 20 (26%)  
   Yes 60 (81%) 56 (74%)  
Prior biopsy    .24
   None 36 (49%) 25 (33%)  
   1 20 (27%) 25 (33%)  
   2 12 (16%) 19 (25%)  
   ≥ 3 6 (8%) 7 (9%)  
HRT use    > .99
   Never used 35 (47%) 36 (47%)  
   Used 38 (51%) 39 (51%)  
   Unknown 1 (1%) 1 (1%)  
Menopause    .14
   No 13 (18%) 21 (28%)  
   Yes 61 (82%) 55 (72%)  
  1. HRT, hormone replacement therapy.
  2. *Values are number of subjects (%) unless otherwise stated.
  3. Pearson χ2 test.
  4. Using 2-sample t test.