At week @ , log-transformed BE days per week decreased with the @-mg/d ( least squares -LSB- LS -RSB- mean -LSB- SE -RSB- change , -@ -LSB- @ -RSB- ; P = @ ) and @-mg/d ( LS mean -LSB- SE -RSB- change , -@ -LSB- @ -RSB- ; P < @ ) treatment groups but not the @-mg/d treatment group ( LS mean -LSB- SE -RSB- change , -@ -LSB- @ -RSB- ; P = @ ) compared with the placebo group .