2. Methods
17. Clearly stated the total number of participants and the numbers in each group if there are
groups?
18. Clearly stated the response rate?
19. Described the sample in terms of age, sex breakdown, social class or other relevant
properties?
20. Clearly stated how the sample was obtained in such a way as to be able to judge its
representativeness?
21. Clearly listed the measures used, indicating where possible indices of validity and reliability
or giving a citation where these can be found?
22. Described the intervention(s) if appropriate and any control conditions if present?
23. Explicitly described any complex or unusual statistical methods?
Data source and permissions
xxx
Design
xxx
Participants
xxx
Intervention
xxx
Variables
Risk factors
xxx
Comorbidity
xxx
Other variables
xxx
Analysis
xxx
Ethical considerations
xxx