The present research aimed to conduct a systematic study on violence and aggression in the context of Iranian sports and perform a meta-analysis to investigate the association between the media and violence and aggression in sports. The research encompassed all relevant studies available in scientific databases within Iran (such as Magiran, Seyed, Civilica, Normagz, Humane resource study, and police publications), as well as dissertations from the information and scientific documents database. The selected timeframe for this analysis covered the years 2001 to 2018 in the Iranian context.
View Article and Find Full Text PDFThe evidence on the predictors of mental health in the COVID-19 pandemic has revealed contradictory findings, which prevent effective screening for mental health assistance. This study aims to identify the predictors of mental health issues, specifically examining age as a nonlinear predictor. Based on a survey of 474 adults using snowball sampling under the COVID-19 pandemic during April 1th-10th, 2020, in Iran, we found that age had a curvilinear relationship with nonsomatic pain, depression, and anxiety.
View Article and Find Full Text PDFBackground: This study aims to identify individuals' likelihood of being COVID negative or positive, enabling more targeted infectious disease prevention and control when there is a shortage of COVID-19 testing kits.
Methods: We conducted a primary survey of 521 adults on April 1-10, 2020 in Iran, where 3% reported being COVID-19 positive and 15% were unsure whether they were infected. This relatively high positive rate enabled us to conduct the analysis at the 5% significance level.