Physical activity takes place in different social contexts such as leisure, home, and work. However, the differential associations of these distinct categories of activity with aspects of well-being have rarely been investigated. This study was designed to estimate independent associations of...

The unevenness of development among the major regions of the U.S. reached an extreme at the end of the nineteenth century. Since then, the development of the major regions has become increasingly similar. This article uses Marx's general law of capitalist accumulation as the basis for an...