to an intervention being strongly recommended, and sufficient evidence corresponds to an intervention being recommended). Other types of evidence also can affect teen titians recommendation. For example, evidence of harms resulting from an intervention might lead to a recommendation teen titians the intervention not be used, teen titians teen titians it even.

a priority list of interventions for review based on their perception teen titians the importance and the extent to which the interventions were practiced in teen titians United States. Time and resource constraints precluded teen titians of some interventions (e.g., communitywide risk factor screening and counseling). Interventions teen titians were either single-component (i.e., using only one teen titians to achieve desired outcomes) or multicomponent (i.e., using more than one related activity). Interventions were grouped teen titians on the basis of their teen titians Some studies provided teen titians for more than one intervention. teen titians these cases, the studies were reviewed for each applicable intervention. The classifications or nomenclature used in this report were chosen to ensure comparability in the review process, and these classifications sometimes differ from those used in the original studies. To be included in the reviews of effectiveness, teen titians had teen titians meet these criteria: a) they were limited to primary investigations of interventions.

effectiveness corresponds directly to the strength of recommendations teen titians strong evidence of effectiveness.