OBJECTIVE To examine the relationship between sleep duration and mortality and to quantify the likely impact of residual confounding due to poor health status on any observed association. METHODS The sample included 227,815 Australian adults aged 45 years and older recruited from 2006-2009 (the 45 and Up Study). Sleep duration and relevant covariates (e.g., health status, demographic factors)...

as social health is a condition-driven, dynamic and fluid concept, it seems necessary to construct and obtain a national and relevant concept of it for every society. providing an empirical back up for iran's concept of social health was the aim of the present study.this study is an ecologic study in which available data for 30 provinces of iran in 2007 were analyzed. in order to prove construc...

BACKGROUND Recent trends in global vaccination coverage have shown increases with most countries reaching 90% DTP3 coverage in 2008, although pockets of undervaccination continue to persist in parts of sub-Saharan Africa particularly in the urban slums. The objectives of this study were to determine the vaccination status of children aged between 12-23 months living in two slums of Nairobi and ...

background and objectives: patient readmission is an important criterion in performance evaluation of healthcare settings. identifying the causes of the readmissions would help the policymakers in designing strategies for efficient management of health facilities. this stud aimed to explore factors contributing to readmission by sampling from an iranian hospital. methods: clinical records of 38...

BACKGROUND As preventive medicine is a cornerstone of managed care, most health plans have traditionally featured automatic vaccine coverage routed through the medical benefit. However, with the advent of emerging vaccines, managed care stakeholders must revise decision-making processes and choose among multiple products targeting the same disease. OBJECTIVE To review the motivating forces be...