Objectives: Improved health may extend or shorten the duration of cognitive impairment by postponing incidence or death. We assessed the duration of cognitive impairment by BMI, smoking and levels of education. Methods: Multistate life tables estimated the duration of cognitive impairment....

In this editorial note, we reflect on the trajectory of Comparative Population Studies (CPoS) over the last decades, highlight major milestones along the road, and sketch our hopes and ideas for its future development. In 1975, the predecessor journal of CPoS named ZfB was established as the...

In this paper we model the structures found in the level (generation) and allocation (distribution) components of age-specific and origin - destination-specific migration flows. For the examples, we examine the regional migration patterns in the USA for four periods: 1955 - 60, 1965 - 70, 1975 -...