With Web-based data , there were decreases in the number of self-reported binge drinking days from baseline to 3 months in the SA+F group ( -0.51 [ 95 % confidence interval { CI } -0.10 to -0.95 ] ) , whereas there were increases in the SA group ( 0.90 [ 95 % CI 0.23 to 1.6 ] ) and the control group ( 0.41 [ 95 % CI -0.20 to 1.0 ] ) .