Application of Seemingly Unrelated Regression (SUR) in Determination of Risk Factors of Fatigue and General Health among the Employees of Petrochemical Companies
Journal Title: Journal of Health Sciences and Surveillance System - Year 2017, Vol 5, Issue 4
Abstract
AbstractBackground: In this cross-sectional study, 501 employees of petrochemical companies were selected by simple sampling method.Methods: Data were collected using Swedish Occupational Fatigue Inventory (SOFI-20), Occupational Fatigue/Exhaustion Recovery (OFER-15), and General Health Questionnaire (GHQ-28). To identify the factors associated with fatigue and general health, we used ordinary least squares regression (OLS) and SUR and the results were compared. The analysis showed that satisfaction, mental disorder and sleepiness were the important factors associated with fatigue among these workers. However, the SUR estimator provided higher precision of the estimates than the OLS estimator as the parameters obtained by SUR are characterized by lower standard errors. As the models are intended to predict the fatigue risk factors, we particularly focused on the SUR method because it assesses the precision of the model in predicting fatigue determination. SUR estimators performed consistently better than the OLS estimators since SUR takes the correlation between error terms into account. Results: The findings showed that the study population were young and almost had a low job tenure. The correlation test showed that there was a significant relationship between fatigue and general health with job satisfaction (p=0.05), sleep disorder (p=0.01) and mental disorder (p=0.001). Finally, the analysis showed that fatigue as the result of work was affected by some organizational and individual risk factors, among which "general health status" in general fatigue and "job satisfaction and mental disorders" in mental, physical, shift work, chronic and acute fatigue had the most effect.Conclusion: The prevalence of fatigue among the study population was assessed high. Thus, elimination and reduction of casual risk factors are necessary to reduce the prevalence of fatigue at work environmental.
Authors and Affiliations
Shahla Heidari, Sareh Keshavarz, Alireza Mirahmadizadeh
Keywords
Related Articles
- EP ID EP590718
- DOI -
- Views 53
- Downloads 0
A Cross-Sectional Survey on the Awareness of Pesticide Labels and Pesticide Safety Pictograms among Paddy Farming In South India
AbstractBackground: Hazardous pesticides continue to be used in thefarming industry purely because of economic reasons. Farmersneed to understand this risk. Pesticide labels and pictograms wereenforced to propagate this...
Application of Seemingly Unrelated Regression (SUR) in Determination of Risk Factors of Fatigue and General Health among the Employees of Petrochemical Companies
AbstractBackground: In this cross-sectional study, 501 employees of petrochemical companies were selected by simple sampling method.Methods: Data were collected using Swedish Occupational Fatigue Inventory (SOFI-20), Occ...
Climate Change and its Effects on Right to Health and other Related Human Rights
During the last two centuries, human being has emitted huge amounts of greenhouse gases to the atmosphere, by providing energy from fossil fuels. The increasing accumulation of these gases in the atmosphere has led to "g...
The Comparison of Maternal and Child Health Indicators before and after the Family Physician Program in Shiraz, from 2001 to 2012
Abstract Introduction: One of the aims of the family physician program (FPP) is to improve the maternal and child health indicators. this study aimed to comparison maternal and child health indicators in Shiraz rural are...
Relaxation Therapy on Fetal Outcomes in Complicated Pregnancies Suffering Sleep Disorders: A Randomized Clinical Trial
AbstractBackground: Sleep disorders like snoring, mouth breathing, andinsomnia are frequent in pregnancy and studies have shown thatpoor sleep is linked to obstetric complications. Muscle relaxationtechnique is an effect...