Inclusion Criteria | • Any study deploying a web-based or mobile digital intervention with the aim of reducing harm from substance misuse. • Studies reporting substance misuse as a primary or secondary measure. • Studies reporting a measure of the effectiveness of the intervention. • Studies whose study population consists of students enrolled in third-level institutions (e.g. college or university). • Studies whose definition of “substance misuse” includes any illicit drug, psychoactive drug, or misuse of prescription medication. |
Exclusion criteria | • Any study deploying a non-digital intervention only. • Studies reporting a non-third-level population (e.g. young adults, adolescents, secondary school students). • Studies reporting interventions targeting only alcohol and/or tobacco. • Non-English language studies |