purpose: to evaluate the prevalence and risk factors of dry eye in the patients referred to an eye clinic in birjand, iran. methods: this cross sectional descriptive-analytical study consisted of 600 patients who were referred to the eye clinic of birjand, iran between september 2010 and september 2011. they were given a simple questionnaire about the risk factors of dry eye including the demog...

objective: the prevalence of overweight and obesity in adolescents is increasing worldwide. the main aim of this study was to determine the prevalence of obesity and overweight among adolescent students11-19 year old in birjand, east of iran. materials and methods: this cross-sectional study in 2012 was conducted on 2453 students (1296 girls and 1157 boys) who had been selected through multi st...

background: cardiovascular risk factors begin in childhood and adolescence. this study aimed at assessing serum lipids and prevalence of dyslipidemia in 11-18 year old students of birjand. method: the present cross-sectional, descriptive, and analytical study was done on 2,643 middle and high school students of birjand aged 11-18 years (1,396 girls and 1,247 boys). blood samples were collected ...

background: prevalence of obesity in children has been increasing during recent decades all over the world. obesity, particularly central obesity, is associated with metabolic syndrome and cardiovascular diseases. the present study aimed to assess obesity and central obesity in 6-11 year old birjand elementary school children, east of iran. methods: this cross-sectional study was conducted on 1...

this researc h c enters on a c omparative study of various norms breakings among high-sc hool students in khwaf town and birjand c ity public sc hools. sample population is drawn from the high sc hool (3rd year level) students studying in 2005 2006 educ ational year. ac c ording to the population size of the c ities, the sample populations were dec ided at 250 and 300, based on the simple rando...