We distributed 18 newsletters, received 20,000 diaries, and mailed 20,000 birthday cards.

Information for researchers

Are you interested in conducting a similar study? You will find an introductory explanation of the data collection, data management and logistics of the study. A more extensive description of the methods used in the Alpha Omega Trial can be found in the documents at the bottom of this page.




Documents of the Alpha Omega Trial

Research protocol (PDF)
Statistical Analysis Plan Cardiovascular disease (PDF)
Statistical Analysis Plan Cognitive decline (PDF)
Statistical Analysis Plan Depression and Optimism (PDF)