BACKGROUND Illness perceptions are beliefs about the cause, nature and management of illness, which enable patients to make sense of their conditions. These perceptions can predict adjustment and quality of life in patients with single conditions. However, multimorbidity (i.e. patients with multiple long-term conditions) is increasingly prevalent and a key challenge for future health care deliv...

Purpose – The aim of this article is to estimate the impact of faceted classification and the faceted analytical method on the development of various information retrieval tools over the latter part of the twentieth and early twenty-first centuries. Design/methodology/approach – The article presents an examination of various subject access tools intended for retrieval of both print and digital ...

OBJECTIVE A validated measure of daytime sleepiness for adolescents is needed to better explore emerging relationships between sleepiness and the mental and physical health of adolescents. The Epworth Sleepiness Scale (ESS) is a widely used scale for daytime sleepiness in adults but contains references to alcohol and driving. The Epworth Sleepiness Scale for Children and Adolescents (ESS-CHAD) ...

A Rasch Poisson counts (RPC) model is described to identify individual latent traits and facilities of the items tests that error (or success) count in several tasks over time, instead modeling correct responses a test as dichotomous item response theory (IRT) model. These types can be more informative than traditional tests. To estimate parameters, we consider Bayesian approach using integrate...