Vang M L, Prigerson H G, Elklit A, Komischke-Konnerup K B, O'Connor M
National Centre for Psychotraumatology, Department of Psychology, University of Southern Denmark, 5000 Odense, Denmark; Dept. for Occupational and Environmental Medicine, Odense University Hospital, 5000 Odense, Denmark.
Department of Medicine, Weill Cornell Medicine, Cornell Center for Research on End-of-Life Care, New York City, 10021 NY, United States of America.
Psychiatry Res. 2022 Dec;318:114937. doi: 10.1016/j.psychres.2022.114937. Epub 2022 Oct 31.
Prolonged Grief Disorder (PGD) is a newly recognized mental disorder in ICD-11 and DSM-5-TR. Several studies using exploratory factor analysis have found a unidimensional structure of the Prolonged Grief-13 (PG-13) measure of PGD. The recently published ICD-11 proposal proposes a distinction between two clusters of symptoms: Separation distress symptoms and associated cognitive, emotional and behavioral symptoms. The aim of the current study is to test competing factor structures of PGD in Danish samples of bereaved. Confirmatory factor analysis was used to test competing models of PGD among two samples of in total 1093 adults that completed the questionnaires 6 months post loss of either a parent or a partner. Convergent and divergent validity was tested via the relationship to depression, anxiety, post-traumatic stress disorder (PTSD) and general wellbeing using regression analysis. The Danish version of the PG 13 appeared to be both valid and reliable. A two-factor model reflecting the division of core- and associated symptoms of prolonged grief disorder provided the best description of the PG-13 among Danish bereaved adults and there was evidence of partial structural invariance of the latent structure of PGD across bereavement types. Convergent and divergent validity analysis supported the validity of the two-factor model of PGD. SIGNIFICANT OUTCOMES: : A latent variable model differing between core- and associated symptomatology of grief is supported. The Danish translation of PG-13 is a valid measure of prolonged grief symptomatology.
持续性悲伤障碍（PGD）是《国际疾病分类第11版》（ICD - 11）和《精神疾病诊断与统计手册第5版修订版》（DSM - 5 - TR）中一种新确认的精神障碍。多项使用探索性因素分析的研究发现，持续性悲伤障碍的持续性悲伤-13（PG - 13）量表具有单维结构。最近发布的ICD - 11提案提出了两种症状群之间的区分：分离痛苦症状以及相关的认知、情感和行为症状。本研究的目的是在丹麦丧亲样本中检验PGD的竞争性因素结构。在总共1093名成年人的两个样本中，使用验证性因素分析来检验PGD的竞争性模型，这些成年人在失去父母或伴侣6个月后完成了问卷调查。通过使用回归分析，通过与抑郁、焦虑、创伤后应激障碍（PTSD）和总体幸福感的关系来检验聚合效度和区分效度。PG - 13的丹麦语版本似乎既有效又可靠。一个反映持续性悲伤障碍核心症状和相关症状划分的双因素模型，在丹麦丧亲成年人中对PG - 13提供了最佳描述，并且有证据表明PGD潜在结构在不同丧亲类型之间存在部分结构不变性。聚合效度和区分效度分析支持了PGD双因素模型的有效性。重要结果：支持一种区分悲伤核心症状和相关症状的潜在变量模型。PG - 13的丹麦语翻译是持续性悲伤症状的有效测量工具。
