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Table 1 Overview of 10/66 population based surveys

From: The protocols for the 10/66 dementia research group population-based research programme

Country (PI) Catchment area Target sample Interviews completed Response % DNA Fasting blood sample Start/finish
Cuba (Llibre) Havana (urban) 2100 2100 94% Yes Yes 6/03 12/05
  Matanzas (urban) 900 900     
Brazil (Menezes) Sao Paulo (urban) 2000 2000 93% Yes Yes 5/03 7/05
Dominican Rep. (Acosta) Santo Domingo (urban) 2000 2000 95% Blood (EDTA at -20 C) Yes 11/03 12/05
Venezuela (Salas) Caracas (urban) 2000 2026 79.6% Yes Yes 9/04 6/06
Mexico (Sosa) Mexico city (urban) 1000 1000 85.1% Blotting paper Yes 1/06 10/06
  Morelos/Higalgo (rural) 1500 1000     
Peru (Guerra) Lima (urban) 1500 1431 60% Blotting paper Yes 4/05 6/06
  Canete (rural) 500 569     
Argentina (Arizaga) Buenos Aires (urban) 1200 0 incomplete Yes Yes 4/05 6/06
  Canuelas (rural) 800 800     
China (Li/Huang) Xicheng (Beijing, urban) 1000 1000 83% No No 3/04 9/05
  Daxin (rural) 1000 1001     
India (Krishnamoorthy) Chennai (urban) 1000 1005 72% No No 2/04 12/05
India (KS Jacob) Vellore (rural) 1000 1000 98% No No 3/04 8/05
Nigeria (Richard Ukawa) Anambra (rural) 1000 500 incomplete No No  
9 countries 13 catchment areas 20,000 17725