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Table 2 Intervention and assessment times

From: A universal harm-minimisation approach to preventing psychostimulant and cannabis use in adolescents: a cluster randomised controlled trial

 

Baseline

Intervention

Immediate post-intervention

5 month follow-up

10 month follow-up

Timing

Term 2

Term 2&3

Term 2&3

Term 4

Term 2

March-April

April-June

June-August

October-November

March-June

2008

2008

2008

2008

2009

Intervention group

Survey 1

Climate Schools Intervention

Survey 2

Survey 3

Survey 4

Control group

Survey 1

 

Survey 2

Survey 3

Survey 4