Background: Complications caused by low birth weight (LBW) are among the most common causes of neonatal mortality and future problems during adulthood. This study aimed to identify the risk factors for LBW. Materials and Methods: This cross-sectional study was conducted in Mashhad University of Medical Sciences from 2017 to 2018 on 7,382...

abstract background: the prevalence of self‑neglect among the elderly is expected to rise with a rapid increase in the growth of the older population. however, self‑neglect in the elderly and the factors related to it are not fully understood due to the limited research in the area, lack of consensus in the definition of the concept, and limited instrumentation. the purpose of this study was to...

long-term ingestion of large amounts of fluoride can lead to potentially severe skeletal problems and neurological consequences. the study was conducted to assess and compare intelligence quotient of children living in high and low fluoride areas in kutch, gujarat, india.a cross-sectional descriptive survey was conducted among 100 school children aged 8 to 10 years, living in kutch district, gu...

objective: the purpose of this study was to compare the use of cross-sectional imaging techniques verses surgery in locating parotid masses. material and methods: our study was performed on patients assumed to have parotid masses from dec 2010 to dec 2011. before surgery, imaging studies (computed tomography and magnetic resonance imaging) of parotid were done. after surgery, we compared the su...

background china is a country with a high prevalence of hepatitis b. as a special population, migrant workers are more vulnerable to hepatitis b. objectives the present study was conducted to gain insight into the prevalence of hepatitis b and knowledge about hepatitis b among migrant workers in shandong province, china, as well as to explore a series of strategies for preventing and controllin...

BACKGROUND AND AIM: Epidemiological studies have established a wide variation in the prevalence of oral lesions in different population. Officially oral mucosa diseases can occur in 25-50% of cases, depending on the population to which the survey was conducted. We examined the relationship between oral mucosal lesions, tongue pH level, gingivitis, oral hygiene, and oral health behaviors in stud...

Introduction: The aim of this study was to determine factors affecting the development of acute cholecystitis toward gangrenous cholecystitis in an Iranian society.Materials and Methods: In this cross-sectional study, all patients who underwent cholecystectomy in the educational hospitals of Khorramabad from August 2013 to August 2016 were included in the study regardless of their age ran...

The present study aims at investigating the relationship between firm specific risk and stock return using cross-sectional quantile regression. In order to study the power of firm specific risk in explaining cross-sectional return, a combination of Fama-Macbeth (1973) model and quantile regression is used. To this aim, a sample of 270 firms listed in Tehran Stock Exchange during 1999-2010 was i...

This study compares the cross-sectional and longitudinal associations of cardiovascular risk factors with clinical coronary heart disease (CHD) and with subclinical carotid atherosclerosis measured by ultrasound. The study population were 1410 participants in the Atherosclerotic Risk in Community (ARIC) Study (1987-1989) who also participated in a 1974 community health survey. Smoking in 1974 w...

We document that cross-sectional FX correlation dispersion is countercyclical, as FX pairs with high average correlation become more correlated in bad times whereas pairs with low average correlation become less correlated. We show that currencies that perform badly (well) during periods of high crosssectional disparity in conditional FX correlation yield high (low) average excess returns, sugg...