Table 2.

Inclusion and exclusion table.

Inclusion	Exclusion
Focuses on programmes for problematic substance use	Does not have problematic substance use as its key focus
Describes older people as the target population specifically or in comparison to the majority population	Target population is people under 45 years
The intervention delivered within community-based provision.	Is focused on ‘in-patient’ hospital only treatment
Has a clear description of the interventions used	Is not peer reviewed research
Has a clear empirical evaluation of the intervention/s	Does not contain evaluation of the intervention described
Qualitative, quantitative, review or mixed methods papers	Discussion documents
Describes outcomes of the intervention in its findings	Where the focus was on tobacco use only
Published in English	Published in a language other than English
Published between 1990 and 2019	Published before 1990