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Stressful Life Events in Iranian Adults Society: Identification and Redefinition of Dimensions



Rezaei S1 ; Heidari Z2 ; Feizi A3 ; Roohafza H4 ; Afshar H5 ; Keshteli AH6, 7 ; Adibi P8
Authors
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Authors Affiliations
  1. 1. School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Biostatistics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Biostatistics, Psychosomatic Research Center, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Cardiac Rehabilitation Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Department of Psychiatry, Psychosomatic Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Faculty of Medicine, University of Alberta, Alberta, Canada
  7. 7. Integrative Functional Gastrointestinal Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  8. 8. Department of Gastroenterology and Hepatology, Integrative Functional Gastrointestinal Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Mazandaran University of Medical Sciences Published:2019

Abstract

Background and purpose: Stressful life events can lead to psychological problems, heart disease, stroke, etc. Multidimensional nature of stress calls for advanced statistical methods that could evaluate these dimensions based on symptoms of stress. Therefore, current study aimed at identifying and redefining the dimensions of the stressful life events (SLE) questionnaire using a higher order factor model. Materials and methods: This cross-sectional study was done in 4763 people participating in a project called SEPAHAN in Isfahan, Iran 2010. The perceived stress level was evaluated by the Iranian version of SLE questionnaire. First and second order exploratory and confirmatory factor models were applied for data analysis using AMOS V20. Results: According to exploratory factor analysis, 11 domains of stress (first order factors) were extracted from 44 items, which explained 51.42% of the total variance. Based on these domains, two dimensions were identified as second-order factors (stressors), including individual and social stressors that explained 17.3% and 25.6% of total variance, respectively. The similar structure was identified both in total sample and in men and women separately. Also, the results in exploratory factor analysis were confirmed by confirmatory factor analysis (CFI =0.78, GFI =0.89, RMSEA =0.05). It was found that the second-order factor model well fitted to the dimensions of the questionnaire identified. Conclusion: SLE questionaire has11 domains and two higher dimensions (individual and social stressors). Studying the types of stressors could be used in preventive strategies against mental health problems and also in training useful copying styles. © 2019, Mazandaran University of Medical Sciences. All rights reserved.
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