Program characteristics for universal uni-modal programs.

Note. LST = Life Skills Training, TND = Towards No Drug Abuse, CSM = Climate Schools Model. NT = No Treatment, TU = Treatment as usual, DI = Delayed Intervention, MC = Minimal Contact Control. PL = Peer Leader, T = Teacher, HE = Health Educator, HP = Health Professional. NA = Not applicable/Not available.aThis intervention assessed differential training for teachers: the E1 condition utilised a 1-day teacher workshop with implementation feedback, and the E2 condition utilised a videotape providing no feedback.bThis intervention assessed differential training for teachers: the IMP-support refers to comprehensive implementation support, and the REGULAR refers to regular workshop training only.cResults were collapsed across comparison groups and analyses were treated as all intervention versus control.dCohen's d calculated using F value.eCohen's d calculated using odds ratio.fCohen's d calculated by converting standard error to standard deviation.*Statistically significant as 95% CI does not contain zero.