Middle-aged and older adults at high risk of obstructive sleep apnea (OSA) had consistently worse mental health outcomes, according to a national longitudinal cohort study published in the Journal ...

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 ...

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 ...

Discover how longitudinal data helps analyze financial trends, business risks, and economic changes with repeated observations of the same subjects over time.

The National Longitudinal Study of Adolescent Health (AddHealth) is a nationally representative study that explores the causes of health-related behaviors of adolescents in grades 7 through 12 and ...

Objectives To explore the levels of health-related functioning during pregnancy and postpartum and its association with non-severe maternal morbidities. Design An observational longitudinal study.