IC‐P3‐172: Brain morphology in elderly African‐Americans, Caribbean Hispanics, and Caucasians from northern Manhattan

taking into account the design effect, non-response on the community phase, and the positive and negative predictive values was 12.9%. Higher dementia rates were associated with older age, low schooling, stroke, head trauma and diabetes. Lower dementia rates were associated with present work activity, tumor (cancer), and reading books. Conclusions: Prevalence estimate of dementia was higher than previously reported in Brazil and association with factors that can be modified, stress the importance of preventive measures. The potential protective role of tumor (cancer) should be addressed in longitudinal studies.