Longitudinal data analysis is an essential statistical approach for studying phenomena observed repeatedly over time, allowing researchers to explore both within-subject and between-subject variations ...

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 ...

New research quantified the association between loneliness and dementia by analyzing data from more than 600,000 people around the world. The meta-analysis of 21 longitudinal studies showed that ...

One of the world’s most extensive birth cohorts is now entering later adulthood. At the University of Oulu in Finland, the Northern Finland Birth Cohort 1966 (NFBC1966) is launching a major new follow ...

Introduction Disability is linked to poor health outcomes and increased mortality, yet evidence on this relationship in sub-Saharan Africa is limited. This study investigated the association between ...