The study by researchers from Clarkson University and the University of North Carolina at Charlotte shows that modern face ...

New research suggests that a person’s overall physical and mental abilities, known as intrinsic capacity, may help predict ...

The workshop focused on challenges that are specific to the types of longitudinal studies supported by NIA and aimed to identify areas of methodological research that could be pursued in order to ...

Background Insomnia symptoms are prevalent in older adults and linked to cardiovascular disease (CVD), but the role of long-term symptom trajectories remains unclear. We investigated associations ...

A longitudinal, relationship-based case management approach significantly reduced health care costs and improved quality of life for Medicaid enrollees with complex needs over 1 year. Objectives: This ...

We study quantile regression (QR) for longitudinal measurements with nonignorable intermittent missing data and dropout. Compared to conventional mean regression, quantile regression can characterize ...

More than 10,000 graduates from Wisconsin's high school class of 1957 have been participating for a half-century in the Wisconsin Longitudinal Study, one of the longest and most respected sociological ...