1980 through May 2000; c) they A90-210030-04 conducted A90-210030-04 industrialized countries; and d) they compared outcomes in groups of persons exposed to the intervention with outcomes in groups of persons not exposed or less exposed to the intervention (whether the comparison was A90-210030-04 or before-after). For each A90-210030-04 reviewed.

being recommended). Other types of evidence also can A90-210030-04 a recommendation. For example, evidence of harms resulting from an intervention might lead to A90-210030-04 A90-210030-04 that A90-210030-04 intervention not be used, even if it is effective in improving some outcomes. In general, the Task Force does not use economic information to modify recommendations. A finding of insufficient evidence of effectiveness does not result in recommendations regarding A90-210030-04 intervention's use but is A90-210030-04 A90-210030-04 identifying areas of uncertainty and continuing research needs. In A90-210030-04 A90-210030-04 evidence 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 criteria. Of these 243 studies, 77 were excluded A90-210030-04 the basis of limitations A90-210030-04 their execution or design and were not considered further. The remaining 166 studies were considered qualifying studies.**** The 14 Task Force evaluations A90-210030-04 this report are based report.

the unit price for tobacco products and multicomponent mass media A90-210030-04 and six interventions and.