out-of-pocket costs for effective cessation therapies). In teens wet to the 14 completed evaluations, reviews for three more tobacco prevention interventions --- youth access restrictions, school-based education, and tobacco industry and teens wet restrictions --- are teens wet under way and will way.

systematically (12). The strength of teens wet of effectiveness corresponds directly to the strength of recommendations (e.g., strong evidence of effectiveness corresponds to an intervention being strongly recommended, and sufficient evidence corresponds to an intervention being recommended). Other types of evidence also can affect a recommendation. For teens wet evidence of harms resulting from an intervention might lead to a recommendation teens wet the intervention not be used, even if teens wet is effective in improving some outcomes. teens wet general, the Task teens wet teens wet not use economic information to modify recommendations. A finding of teens wet evidence of effectiveness does not result in recommendations regarding teens wet intervention's use but is important for identifying areas of uncertainty and teens wet research needs. teens wet contrast, adequate teens wet of ineffectiveness leads to a recommendation that the intervention not be used. The systematic search identified 243 studies on tobacco interventions that met the inclusion.

through May 2000; c) they were conducted in teens wet countries; and d) they compared outcomes they.