The CLSA will have a wide reach across Canada and we will collect vast amounts of information:

• 51,338 participants
• 20 years to complete the study
• Up to 140,000 telephone interviews
• Up to 210,000 home interviews
• Up to 210,000 visits to data collection sites
• Up to 5 million bio-specimen aliquots
• Up to 300,000 follow-up telephone calls
• Up to 126 million questions asked during telephone interviews
• Up to 174 million data points collected during CLSA home interviews and visits to data collection sites
• Up to 300 million anticipated data points that will form the CLSA research platform