Most national health surveys do not permit precise measurement of the health of racial/ethnic subgroups that comprise 1 per cent of the U.S. population. We identify three potentially promising sample design strategies for increasing the accuracy of national health estimates for a small target...

The principal objective of this study is to characterize the places in which people live by factors associated with physical and mental well-being. The authors demonstrate a new approach that employs neighborhood measures such as social environment, built environment, commuting and migration,...