objective: low back pain is the most common skeletal disorder worldwide that 50% to 80% of people experience it at least once in their lifetime. physical and psychological factors in the work environment can relatively contribute to low back pain. in this study, we examined the prevalence of low back pain and influential factors in its development among nursing staff.   methods: in this cross-s...

abstract background and purpose : stroke is a leading cause of death and functional disability. while there have been major advances regarding the management of stroke, a significant proportion of people are still unaware of stroke-related symptoms and risk factors. this study was performed to assess the public awareness and attitude of stroke warning signs and risk factors among a sample of ir...

introduction: cigarette smoking and alcohol consumption have a well-known effect on the development of upper aerodigestive tract carcinomas, but such a role for opium is questionable. this study was designed to assess the correlation between opium inhalation and cancer of the larynx and upper esophagus. materials and methods: fifty eight patients with laryngeal cancer, ninety eight patients wit...

objective: to determine the prevalence of fractures and associated risk factors in healthy iranian children and adolescents. methods: in this cross sectional population based study, 478 healthy iranian children and adolescents aged 9–18 years old participated. baseline data and bone mineral content and density have been determined. one questionnaire was completed for all individuals including p...

background: motorcycle has been one of the vital modes of transportation worldwide. it is quite difficult to identify the risk factors that affect muscular discomfort among motorcyclist due to not much research having been carried out on the motorcyclist. the purpose of this study was to have a better understanding of the risk factors of muscular discomfort among motorcyclist due to motorcycle ...

the prevalence of non-communicable diseases such as hypertension and diabetes including obesity has increased over the past few years in iran. the increase in these diseases has been associated with increased urbanization and lifestyle changes. the burden of non-communicable diseases (ncd) is increasing in low and middle-income countries. the aim of this report is to address the threat of ncds ...

background: this article was to present the sampling and measurements methods and the main preliminary findings of the kercadr cohort study (first round) in an urban and peri-urban setting, kerman, southeastern iran2009-11. method: 5900 (3238 female) people aged between 15 to 75 years were recruited in the household survey by non-proportional to size one-stage cluster sampling. trained internal...

the purpose of this study was to analyse the prevalence of postmenopausal osteoporosis risk factors and to analyse the t-score variability in spine and hip according to the associated risk factors.this is a retrospective study (2003-2007) including 177 female patients with postmenopausal osteoporosis. the patients were separated in seven groups according to the number of risk factors per case. ...

background and objectives: painting workshops are part of the woodwork (carpentry) industry in which despite advances in technology, the work force fulfills most of the roles in the production process. since such manual activities are often performed with awkward postures due to lack of workers’ awareness and inappropriate design of tools and working conditions, ergonomic assessment of work env...

purpose : to introduce a novel classification system for the extent of choroid invasion and to analyze the incidence of histopathologic risk factors (hrfs) in the patients with retinoblastoma in china methods : the clinical data of 104 enucleated eyes diagnosed with retinoblastoma were retrospectively reviewed, and the pathological re-examination of the enucleated eyes was conducted. results : ...