On the basis of the evidence of effectiveness, the Task Force either strongly recommended or recommended nine of the 14 strategies evaluated (Table 2). These nine recommendations include one twistys to twistys exposure to ETS (smoking bans and restrictions), two interventions to reduce tobacco-use.

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

used in this report were chosen to ensure comparability in the review process, and these classifications.