Background and Objectives: Shift work could threaten health in the long term. The present research aimed to assess the association between shift work and body mass index (BMI) using the multilevel (hierarchical) model during a particular period of time. Methods: The data of this longitudinal study were collected from a sample of Esfahan’s Mobarakeh steel and Polyacryl companies personnel durin...

Background & Objectives : Cutting leads to production of different hazardous agents such as fumes, particles, gases and vapors. In various studies, the effects of fumes, gases, and vapors on workers and environment have been proved. Meanwhile, cutting alloying plates with plasma cutting machine due to containing various alloy materials produces a lot of air pollution. Therefore, using the venti...

Introduction: Attention to self-care behaviors is important in the management and control of chronic diseases such as hypertension. The aim of this study was to determine the correlation between active aging and hypertensive self-care behaviors in the elderly with hypertension. Methods: The present study is descriptive-correlation. The statistical population included all the elderly with hyper...

Background and Objectives: The Cox model is one of the methods used in survival data; however, the use of hierarchical data, such as the data of this study, violates the assumption of independence, the the Cox model cannot be used  assuming independence of observations. One of the important methods for analyzing survival hierarchy data is the use of the multilevel Cox model. In this method, in ...

The aim of this study was to Compare the effect of resistance training with active and passive rest on aerobic and anaerobic fitness in soccer players. For this purpose 16 players of Foolad Mobarakeh Sepahan club, accidentally were divided into rest and active group (Height 177.78±6.68 cm, Weight 64.88±7.97 kg, age 18.22±0.83 years ,and percent fat 20.47±1.8) and rest passive group(Height 17...

Background and Objective: Musculoskeletal disorders are one of the most important indicators of individual health in different organizations, especially heavy industries. Therefore, this study was conducted with the main purpose of determining the point and period prevalence of musculoskeletal disorders among the workers of the steel industry.   Materials and Methods: This cross-sectional stu...

Background and Objective: Population explosion and human ever-increasing demands has been resulted in industrialization which its mismanagement led to land pollution and consequently irreversible harm to nature and living organisms. Thus, it is an important measure to investigate the role of industrial centers in soil pollution. Materials and Methods: We studied Mobarakeh Steel Industrial Comp...