background and aims: coronary heart diseases (chds) contribute to mortality, morbidity, disability, productivity and quality of life. this study was aimed to determine the prevalence of major risk factors for chd in the provinces of iran. methods:this study reported pre-existing data and was of secondary, descriptive type. prevalence of non-communicable disease (ncd) risk factors was defined fo...

background and objectives: exposure to contaminated needlesticks and sharp devices is an important occupational hazard among healthcare workers. the objective of this study was to gain further insight into prevalence and risk factors of needlestick and sharps injuries among healthcare workers. methods: a cross-sectional survey was carried out among 384 healthcare workers of two hospitals in ne...

work-related musculoskeletal disorders (wmsds) are common among drivers and official workers. musculoskeletal disorders are frequent causes of absenteeism in many countries. the aim of this study was to determine the prevalence of musculoskeletal disorders and risk factors associated with these symptoms. a total of 346 workers and truck drivers were participated in this case-control study. all ...

background: the sporadic cases of radiation-activated multiple sclerosis (ms) has been previously described, with a few studies focused on the relationship between radiation and the risk of ms. the aim of our study was to evaluate the association between history of x-ray radiation and ms.   methods : this case-control study was conducted on 150 individuals including 65 ms patients and 85 age- a...

background: the pregnancy was a risk factor for excessive weight gain for women. however, there is no information about the prevalence of obesity and its relationship with a history of pregnancy in girls. therefore, the purpose of this study was to investigate differences in the prevalence of obesity in adolescent females with a history of pregnancy and fac­tors associated with it, in korea. me...

abstract background: atherosclerosis and subsequent coronary artery disease is the leading cause of death in iranian population. high serum lipid levels, especially the elevated level of low-density lipoprotein (ldl), have been shown to be strongly related to the development of atherosclerosis. the relationship between dietary glycemic index (gi) and lipid profile, particularly in nonwestern po...

The relationship between intraocular pressure (IOP) and glaucoma is complex and not fully understood. We question the validity of several claims relating to the IOP-glaucoma relationship: (1) that 12 mm Hg is an important target in IOP control; (2) that IOP variability is an important risk factor for glaucoma progression; and (3) that every millimeter of mercury of IOP lowering reduces the risk...

road accident severity may be influenced by a number of various systematic causal factors. the weather and road accidents have a close relationship with each other and a number of methods have been proposed for measuring the risk of a road accident with rainy, foggy, and snowy weather and high winds. recent studies indicate that road collision rates increase during precipitation. the weather wa...

This paper discusses an approach able to simultaneously compare the importance of performance and relationship marketing variables in building satisfaction among frequent customers. Multivariate statistical techniques are used – factor analysis and multiple regression analysis – to model the satisfaction of frequent customers of a group of hotels in the north of Portugal. The conclusion is that...