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Table 1 Baseline variables for women who completed entire study

From: Informed choice about breast cancer prevention: randomized controlled trial of an online decision aid intervention

  Intervention
(n= 383)
Standard control
(n= 102)
Three-month control
(n= 100)
Between-groups differences
Age, mean (SD) 61.50 (5.05) 62.10 (5.25) 61.51 (5.63) F(2, 582) = 0.55, P = .58
Age, over 60 249 (65.0%) 67 (65.7%) 65 (65.0%) X2(2) = 0.02, P = .99
Education     
   High school education or less 19 (5.0%) 3 (2.9%) 7 (7.0%) X2(4) = 3.69, P = .45
   Some college or trade school 84 (22.2%) 29 (28.4%) 26 (26.0%)  
   Four-year college degree or more 276 (72.8%) 70 (68.6%) 67 (67.0%)  
Race     
   Hispanic 1 (0.3%) 0 (0%) 0 (0%) X2(2) = 0.53, P = .77
   White 374 (97.7%) 99 (97.1%) 99 (99.0%) X2(2) = 0.96, P = .62
   Black 2 (0.5%) 0 (0%) 0 (0%) X2(2) = 1.06, P = .59
BCRAT score (SD) 2.67 (1.19) 2.55 (0.92) 2.82 (2.16) F(2, 582) = 1.06, P = .35
Subjective Numeracy Scale 4.48 (0.94) 4.53 (0.95) 4.29 (0.99) F(2, 582) = 1.87, P = .16