Program characteristics for universal multi-modal programs.

Note. GP = Gatehouse Project, EU-DAP = European Drug Abuse Prevention, MPP: Midwestern Prevention Program, ISFP = Iowa Strengthening Families Program, PDFY = Preparing for the Drug Free Years, LST = Life Skills Training, SFP 10–14 = Strengthening Families Program: For Parents and Youth 10–14. U = Unclear/Unspecified, TU = Treatment as usual, NT = No Treatment, MC = Minimal Contact Control. T = Teacher, PL = Peer Leader, P = Parent, NA = Not applicable/Not available, PW = Project Worker, HP = Health Professional.aThis is a CD-Rom based intervention program facilitator is thus not applicable.bCohen's d calculated using odds ratio.cResults were collapsed across comparison groups and analyses were treated as all intervention versus control.dCohen's d was reported by study authors.eCohen's d calculated using chi-square.*Statistically significant as 95% CI does not contain zero.