At 12 months , 43 % ( 71 of 165 ) of the intervention group and 47 % ( 78 of 165 ) of the assessed control group reported no IPV during the previous 3 months and 19 % ( 29 of 152 ) of the intervention group and 24 % ( 37 of 153 ) of the control group had reduced their alcohol consumption to sex-specific National Institute on Alcohol Abuse and Alcoholism safe drinking levels .