Uptake of BRCA1/2 testing was lower following telephone ( 21.8 % ) than in-person counseling ( 31.8 % , difference = 10.2 % , 95 % CI = 3.9 % to 16.3 % ; after imputation of missing data : difference = 9.2 % , 95 % CI = -0.1 % to 24.6 % ) .