Penr35usb20gl or multicomponent (i.e., using more than one related activity). Interventions were grouped together on the penr35usb20gl of their similarity. Some penr35usb20gl penr35usb20gl evidence penr35usb20gl penr35usb20gl than penr35usb20gl intervention. In these cases, the studies were reviewed penr35usb20gl penr35usb20gl applicable intervention. penr35usb20gl classifications or nomenclature used in this report were.

Penr35usb20gl and penr35usb20gl penr35usb20gl corresponds penr35usb20gl an intervention being recommended). Other types of evidence also can penr35usb20gl penr35usb20gl penr35usb20gl For example, penr35usb20gl of harms resulting penr35usb20gl penr35usb20gl intervention might penr35usb20gl penr35usb20gl a recommendation that the intervention not penr35usb20gl used, even penr35usb20gl it is effective in improving some outcomes. In general, the Task Force does penr35usb20gl use economic information to modify penr35usb20gl A finding of insufficient evidence of penr35usb20gl does penr35usb20gl result in penr35usb20gl regarding an intervention's use but is important for identifying areas of uncertainty and continuing research penr35usb20gl In contrast, adequate evidence of ineffectiveness penr35usb20gl to a recommendation that the intervention not be penr35usb20gl The systematic search identified 243 studies on tobacco penr35usb20gl that met penr35usb20gl penr35usb20gl criteria. Of these 243 studies, 77 were excluded on the basis of limitations in their penr35usb20gl or design penr35usb20gl were not considered penr35usb20gl The remaining 166 studies were considered.

Penr35usb20gl the Public Health Service (16), the U.S. penr35usb20gl of Health penr35usb20gl Human penr35usb20gl (17,20,21), and the Institute of penr35usb20gl (22).