COSMIC Membership Criteria

Studies are eligible to participate in COSMIC if they meet the following membership criteria:

1. Are epidemiological, and therefore population-based.
2. Have a minimum sample size of 500.
3. Examine individuals aged 60 years and over.
4. Are longitudinal, with a minimum of two assessments.
5. Include assessment of cognitive function as an important, if not central, objective.
6. The outcome measures include dementia and/or cognitive impairment and/or cognitive decline.
7. Studies from Africa, South America and Eastern Europe are particularly encouraged to join.