Compared with brief advice and BMI , BMI + B showed significant reductions in the number of standard drinks consumed per week at @ ( adjusted means : -@ , @ % confidence interval -LSB- CI -RSB- : -@ , approximately -@ , P = @ ) and @ months ( adjusted means : -@ , @ % CI : -@ , approximately -@ , P = @ ) , percent days of heavy drinking at @ months ( adjusted means : -@ , @ % CI : -@ , approximately -@ , P = @ ) , maximum number of standard drinks consumed in @ day at @ ( adjusted means : -@ , @ % CI : -@ , approximately -@ , P = @ ) and @ months ( adjusted means : -@ , @ % CI : -@ , approximately -@ , P = @ ) , and number of standard drinks consumed per drinking day at @ ( adjusted means : -@ , @ % CI : -@ , approximately -@ , P = @ ) and @ months ( adjusted means : -@ , @ % CI : -@ , approximately -@ , P = @ ) .