Because of limitations in randomized controlled trials, medical researchers are often forced to rely upon studies of observational data. Confounding is a major difficulty encountered in such studies that can create considerable bias in estimates of...
A common research interest in medical, biological, and engineering research is determining whether certain independent variables are correlated with the survival or failure times. Standard statistical techniques cannot usually be applied for...
Nonparametric statistics; Estimation theory; Distribution (Probability theory)
Multistate models are a type of multi-variate survival data which provide a framework for describing a complex system where individuals transition through a series of distinct states. This research focuses on nonparametric inference for general...
Oral disease is the greatest unmet healthcare need of disadvantaged children in the United States, with only 20% of disadvantaged Medicaid-eligible children receiving routine dental care. Peter Margolis proposed a theoretical model of access to...
HIV-positive persons--Employment; HIV-positive persons--Mental health; AIDS (Disease)--Patients--Mental health; AIDS (Disease)--Patients-- Employment
It is well established that HIV (human immunodeficiency virus), the virus responsible for AIDS, directly attacks the central nervous system, altering cognition, behavior, and affect, and can result in a full dementia syndrome. HIV-associated...