Author/Authors :
Poorolajal, Jalal Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Ebrahimi, Bahram Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Rezapur-Shahkolai, Forouzan Social Determinants of Health Research Center - Hamadan University of Medical Sciences, Hamadan, Iran , Doosti-Irani, Amin Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Alizadeh, Mahnaz Department of Medical Library and Information Sciences - School of Paramedicine - Hamadan University of Medical Sciences, Hamadan, Iran , Ahmadpoor, Jamal Research Center for Environmental Determinants of Health - Kermanshah University of Medical Sciences, Kermanshah, Iran , Moradi, Leila Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Biderafsh, Azam Epidemiology and Biostatistics Department - Health Faculty - Tehran University of Medical Science, Tehran, Iran , Nikbakht, Fateme Department of Epidemiology - School of Health - Mashhad University of Medical Sciences, Khorasan Razavi, Mashhad , Iran , Golmohammadi, Zakie Department of Midwifery - School of Nursing and Midwifery - Mashhad University of Medical Sciences, Mashhad Iran , Sarbazi, Ehsan Road Traffic Injury Research Center - Student Research Committee - Tabriz University of Medical Sciences, Tabriz, Iran , Bahadivand, Samira Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Jahani Sayad Noveiri, Marzieh Student Research Committee - Hamadan University of Medical Sciences, Hamadan, Iran , Rezaei, Maryam Department of Biostatistics - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Ghorbani Gholiabad, Somayeh Department of Biostatistics - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Heidari, Saber Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Bagheri, Hadi Department of Epidemiology - School of Public Health - Hamadan University of Medical Sciences, Hamadan, Iran , Ghalandari, Mojtaba Department of Epidemiology - School of Public Health - Kermanshah University of Medical Sciences, Kermanshah, Iran , Kiani, Fatemeh Zeynab Modeling in Health Research Center - Shahrekord University of Medical Sciences, Shahrekord, Iran , Fakhranirad, Narges Department of Public Health - School of Public Health - Bojnurd University of Medical Sciences, Bojnurd, Iran , Ghavi, Saeed Departments of Epidemiology and Biostatistics - School of Public Health - Birjand University of Medical Sciences, Birjand, Iran , Seydkhani, Parivash Department of Public Health - School of Public Health - Ilam University of Medical Sciences, Ilam, Iran
Abstract :
Background: This survey was conducted to determine the level of aggression among the Iranian
adult population and underlying predisposing factors.
Study design: A cross-sectional study.
Methods: This cross-sectional study included 10,957 participants, involving 23 out of the 31
provinces of Iran in 2019. The outcome of interest was aggression, evaluated by the Buss & Perry
aggression questionnaire. The association between aggression and 34 demographic, behavioral,
social, and cultural characteristics was assessed using simple and multiple linear regression.
Results: The overall mean (SD) score of aggression was 77.10 (22.53). Based on the severity of
aggression, the participants were categorized into four groups as follows: 2,464 (23.1%)
nonaggressive, 4,692 (43.9%) mild, 3,071 (28.8%) moderate, and 454 (4.2%) severe aggressive.
Aggression was more likely to occur in people with the following characteristics: younger ages,
having several siblings, lower ranks of birth, having an intimate friend of the opposite sex, having
an aggressive father/mother, history of parental divorce, interest in watching action/porn movies,
listening to music, history of escape from home/school, using neuropsychiatric drugs, using illicit
drugs, history of suicidal thoughts/attempt, and family conflict and hostility. Aggression was less
likely to occur with the following characteristics: reading, regular physical exercise, the ability to
control anger, regular prayer, adherence to avoid lying, respect to other people's rights, sexual
satisfaction, and attachment to parents.
Conclusions: A majority of the population has some degree of aggression. Aggression is a
multifactorial behavior corresponding with several demographical, social, cultural, and religious
factors, some of which back to early childhood events.
