Article
Geographical variation in dementia: examining the role of environmental factors in Sweden and Scotland.
Epidemiology (Cambridge, Mass.) - 1 Mar 2015
Russ Tom C, Gatz Margaret, Pedersen Nancy L, Hannah Jean, Wyper Grant, Batty G David, Deary Ian J, Starr John M
Abstract excerpt
BACKGROUND: This study aimed to estimate the magnitude of geographical variation in dementia rates and suggest explanations for this variation. Small-area studies are scarce, and none has adequately investigated the relative contribution of genetic and environmental factors to the distribution of dementia. METHODS: We present 2 complementary small-area hierarchical Bayesian disease-mapping studies using the...
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