The aim of this study was to investigate the psychometric properties of the Persian version of the Inventory Complicated Grief (ICG) including reliability, validity and factorial structure. In this cross-sectional study, 332 women and men bereaved at least 6 months from the adult population of Iran. The results showed Cronbach’s alpha was found to be 0.94 for the scales overall score. Inventory Complicated Grief found a positive and significant correlation between the beck depression inventory (BDI) (r = .62, p < .001) and grief experience questionnaire (r = .74, p < .001). Still, he also found that there was a negative correlation between adult hope scale (r = −.44, p < .001). Furthermore, the results of the EFA result showed four factors on this scale. Overall, ICG showed good reliability and validity in Iranian population and it could be applied for assessing their Complicated Grief.
This study evaluated the Persian version of the Pandemic Grief Scale (PGS) psychometric properties in a sample of 473 people who have suffered the loss of a loved one due to the COVID-19 pandemic. The scale was internally consistent with a Cronbach’s alpha of 0.86. The PGS found a positive and significant correlation between the Patient Health Questionnaire-4 (PHQ-4) and Work and Social Adjustment Scale (WSAS). Furthermore, the unidimensional model had a good fit. Overall, the PGS showed good psychometric properties in the Iranian population.
Objectives
The PG‐13‐Revised (PG-13-R) is a self-report measure to assess prolonged grief disorder (PGD) in terms of Diagnostic and Statistical Manual of Mental Disorders, fifth revision, Text Revision. This measure has been shown to yield good psychometric properties in Western samples. This study aimed to evaluate the psychometric properties of the Persian PG-13-R.
Methods
Three hundred forty-seven individuals (209 women and 138 men) fully completed the scales. The participants were recruited using convenience sampling. The confirmatory factor analysis (CFA), convergent and divergent validity, and reliability of the Persian version of the PG-13-R were evaluated.
Results
CFA results of a unidimensional model support the construct validity of this version of the PG-13-R. The results of this study demonstrated that this version of the PG-13-R has internal consistency reliability (omega coefficient of 0.93), and the test–retest reliability with an interval of 6 weeks was 0.89. The convergent and divergent validity was shown with significant correlations between the PG-13-R and measures of depression, PTSD, functional impairment, and hope.
Significance of results
Overall, the Persian version of the PG-13-R showed good psychometric properties in the Iranian population.
This study investigated the role of emotion regulation difficulties and intrusive/deliberate rumination in the relationship between insecure attachment and prolonged grief symptoms. A total sample of 342 bereaved participants was included in the study. Both anxious and avoidant attachment styles were found to be associated with prolonged grief symptoms, with an avoidant attachment showing a stronger effect. Emotion regulation difficulties and rumination mediated the relationships between attachment styles and prolonged grief symptoms, supporting the proposed mediation model. The study identified specific mediating pathways for anxious and avoidant attachment styles. Additionally, female gender, higher age, unexpected death, and closeness of the relationship with the deceased were significant predictors of prolonged grief symptoms.
The Traumatic Grief Inventory-Self Report Plus (TGI-SR+) is a self-report measure to assess Prolonged Grief Disorder (PGD) in terms of ICD-11 and DSM-5-TR. Till now this measure has shown to yield good psychometric properties in Dutch and French speaking bereaved people. This study aimed to evaluate the psychometric properties of the Persian TGI-SR+. 461 individuals (280 women) fully completed the scales. The participants were recruited using convenience sampling. The Confirmatory factor analysis and concurrent validity, and reliability of the Persian version of the TGI-SR+ were evaluated. Confirmatory factor analysis results of a two-dimensional model support the construct validity of this version of the TGI-SR+, while concurrent validity was shown with significant correlations between the TGI-SR+ and measures of depression, anxiety, and ptsd. These results indicate satisfactory psychometric properties of the instrument, thus supporting the use of the TGI-SR + as a valid measure of PGD in bereaved Iranian adults.
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