Dementia incidence and mortality in middle-income countries， and associations with indicators of cognitive reserve：a 10 66 Dementia Research Group population-based cohort study

Results of the few cohort studies from countries with low incomes or middle incomes suggest a lowerincidence of dementia than in high-income countries. We assessed incidence of dementia according to criteria fromthe 10/66 Dementia Research Group and Diagnostic and Statistical Manual of Mental Disorders (DSM) IV, the eff ectof dementia at baseline on mortality, and the..