background:  the prevalence of obesity in the elderly is increasing worldwide. obesity greatly impacts quality of life(qol). the present study aimed to investigate the association between obesity and qol among the elderly, in tehran, iran. methods:  this cross-sectional study (observational) was conducted in 2014 in tehran, iran. a total of 421 elderly people aged ≥ 60 years old were recruited ...

BACKGROUNDS Skin diseases are extremely frequent and may affect quality of life; therefore, it is important to assess it and identify which factors are associated with it. OBJECTIVES To assess quality of life and its associated factors in dermatological patients. METHODS A cross-sectional study involving a sample of 548 patients seen at the Dermatology Outpatient Clinic of Sistema Único de ...

background: sleep quality is an important and determining factor in the quality of life in dialysis patients. although many chronic dialysis patients complain of poor sleep, we know little about its related factors. therefore, this study was designed to study sleep quality and its predictors among dialysis patients. materials and methods: this was a cross-sectional study carried out during augu...

Aims of the Study: The physical, chemical and biological characteristics of Karaj River (near the city of Tehran, Iran), has been studied to evaluate the suitability of its water for domestic uses. Materials & Methods: Samples of water were collected from various localities before, in and after Karaj Dam Lake and were analyzed based on needs for Water Q...

With increasing urbanization, the populations in China’s cities are growing, and the cities themselves are gradually expanding. Competition for access to the national territory’s resources is also growing. Thus, the quality of national territory use is worsening. Quality assessments on national territory use can provide a basis for solving this issue. By combining the implications of new urbani...

Quality management has become more and more important in the last couple of years. The user is faced with a multitude of methods such as Six Sigma, TQM or Theory of Constraints. Therefore quality managers are more and more engaged in the selection of an appropriate approach for achieving the quality goals as they have been defined. Due to the necessity of coordinating heterogeneous quality meth...