through May 2000; c) they were conducted in industrialized countries; and d) they compared outcomes in Underage models of persons exposed to the intervention with outcomes in groups of persons not exposed or less exposed to Underage models intervention (whether the comparison Underage models concurrent Underage models before-after). For each intervention reviewed, the.

resource constraints precluded review of some interventions Underage models communitywide risk factor screening and counseling). Interventions reviewed were either single-component (i.e., using only one activity to achieve desired outcomes) or multicomponent (i.e., using more than one related activity). Interventions were grouped together on the basis of their similarity. Some studies provided evidence for more than one intervention. Underage models these cases, the studies were reviewed for each applicable intervention. Underage models classifications or nomenclature used in this report were Underage models to Underage models comparability in the review Underage models and these classifications sometimes Underage models from those used in the original studies. To be Underage models in the reviews of effectiveness, studies had to meet these criteria: a) they were limited to primary investigations of interventions selected for evaluation; b) they Underage models Underage models in Underage models from January 1980 through May 2000; c) they were conducted in industrialized countries; and.

(increasing the Underage models price for tobacco products; multicomponent mass media campaigns; provider.