BACKGROUND Previous studies on the association between maternal age and risk of childhood leukemia found inconsistent results. OBJECTIVES We aimed to assess whether there is an association between maternal age and risk of childhood leukemia and whether such an association is modified by maternal year of birth. METHODS By linking nationwide Swedish registers, we analyzed leukemia incidence a...

BACKGROUND Delivery of a small for gestational age (SGA) infant has been associated with increased maternal risk of ischemic heart disease (IHD). It is uncertain whether giving birth to SGA infant is a specific determinant of later IHD, independent of other risk factors, or a marker of general poor health. The purpose of this study was to investigate the association between delivery of a SGA in...

OBJECTIVES This study's objectives were to determine the national prevalence of anemia in pregnancy (AIP) in the United States, compare racial differences in the prevalence, compare the AIP risk factor profiles between non-Hispanic whites and non-Hispanic blacks, and to analyze the associations between AIP and some maternal and fetal/neonatal complications between whites and blacks. METHODS T...

purpose: due to unhealthy lifestyles, there has been an increase in the prevalence of coronary artery disease (cad) and a reduction in its age of onset. given the high cost of diagnosis and treatment of cad, there is an urgent need to teach people strategies helpful in changing their lifestyles as this can help reduce the risk factors of the disease. therefore, the goal of the present study was...

hepatitis b (hb) disease occurs with high risk behaviors in the different communities. aim of this study was to find out some of local customs in lifestyle that might be risk factors for transmitting this disease in order to design the educational programs and control it periodically in chaharmahal va bakhtiari, iran. this was a case-control study, carried out on patients with hb and the contro...

results the study found that 72 patients, 43 males and 29 females, had documented hcv infections. age’s ranged from 20 - 75, with a mean of 48. the largest number of patients had the 1a genotypes (41 patients = 56.9%), followed by 3a (25 patients = 34.7%), and 1b and 4a each of them (3 patients = 4.2%). conclusions the study showed that genotypes 1a and 3a are the most common genotypes in patie...

background: colorectal cancer (crc) is the third common malignancy all over the world. modern life styles affecting nutritional habits have been providing a potential impact on crc. this study aims to assess the nutritional characteristics in crc patients of golestan province, northeast of iran. methods: all incident crc cases (n=47) in northeast of iran (2004-2005) and a matched number of heal...

objective: bipolar disorder is strongly associated with suicidal ideations, attempts and commissions. although several studies have been conducted on suicide risk factors in patients with bipolar disorder worldwide, a comprehensive study has not been reported from iran. methods: patients with bipolar disorder type i, hospitalized in iran hospital of psychiatry since may 2008 to august 2011 were...

background: musculoskeletal disorders represent a substantial cause of morbidity worldwide. the contribution of work to these disorders has been well established by various epidemiological and laboratory-based researches. the aim of this study is to investigate the prevalence and associated factors of musculoskeletal disorders in truck drivers. materials and methods: this cross sectional study ...

background: now the increasing growth of chronic diseases is the major health challenge worldwide. this survey was conducted to assess noncommunicable diseases related risk factors. methods: a population-based cross sectional study was conducted in 2005 and repeated annually by 2009 in hamadan province, the west of iran using two-stage cluster sampling method. a total sample of 6500 subjects 15...