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OBJECTIVES: Longitudinal studies of the elderly are complicated by the loss of individuals
between waves due to death or other dropout mechanisms. Factors that affect dropout may …

Background The aim was to investigate the associations of sarcopenia as defined by
European Working Group on Sarcopenia in Older People (EWGSOP) and Foundation for the …

Longitudinal Structural Equation Modeling is a comprehensive resource that reviews
structural equation modeling (SEM) strategies for longitudinal data to help readers …

PURPOSE: The objective of this study was to investigate whether high levels of serum
interleukin (IL)-6, C-reactive protein (CRP), and α1-antichymotrypsin (ACT) were associated …

Patients with Parkinson's disease (PD) are likely to become physically inactive, because of
their motor, mental, and emotional symptoms. However, specific studies on physical activity …

Abstract The Longitudinal Aging Study Amsterdam (LASA) is an ongoing longitudinal study
of older adults in the Netherlands, which started in 1992. LASA is focused on the …

The Longitudinal Aging Study Amsterdam (LASA) was initiated by the Dutch Ministry of
Welfare, Health and Culture (currently Ministry of Health, Welfare and Sports). By the end of …

Objective: In small case-control studies, obesity was associated with worse vitamin D status.
Our aim was to assess the association of adiposity (anthropometric measures as well as …

Context: Vitamin D deficiency is common among older people and can cause mineralization
defects, bone loss, and muscle weakness. Objective: The aim of this study was to investigate …