The difference in mean change from pre-intervention to post-intervention between intervention and control groups was -@ ( @ % CI : -@ , -@ ) for depression , -@ ( @ % CI : -@ , -@ ) for PTS , -@ ( @ % CI : -@ , -@ ) for functional impairment , -@ ( @ % CI : -@ , -@ ) for anxiety , -@ ( @ % CI : -@ , -@ ) for aggression , and -@ ( @ % CI : -@ , @ ) for alcohol use .