Table 1.

Data to be extracted from identified studies

Data to be extracted
1. Descriptive informationAuthors
Title
Reference
Publication type
Publication methodology
Country
Research question addressed
Objectives
Sample size
Participant characteristics
Source of recommendations (youth, emerging adults, family members, service providers)
Type of mental health and addiction service discussed
Age range of service provision
Age range of youth
Planned outcome of publication (stated next steps)
Use of validated measures
2. Research question 1: definition of youth friendlinessDefinitions
3. Research question 2: characteristics of youth friendlinessService provider characteristics
Organisational and policy characteristics
Ongoing youth engagement policies
Environment characteristics
Treatment/service characteristics
Other characteristics
4. Research question 3: expected impact of youth friendliness on service utilisationExpected impact on treatment/service seeking
Expected impact on treatment/service engagement
Expected impact on treatment/service satisfaction
Other expected impacts