Translation, cultural adaptation, and validation of the Prolonged Grief 13 Revised (PG-13-R) for Brazilian Portuguese.

IF 3 Q3 PSYCHIATRY

Trends in Psychiatry and Psychotherapy Pub Date : 2026-05-19 DOI:10.47626/2237-6089-2025-1067

Laura Teixeira Bolaséll, Alice Martins Abadi, Natália Saldanha Silva, Clara Machado Pinto, Alice Einloft Brunnet, Giulia da Silva Maciel, Holly G Prigerson, Christian Haag Kristensen

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Abstract

Objective: Prolonged Grief Disorder (PGD), characterized by persistent yearning, loss of meaning, and identity disruption, was recently recognized as a mental disorder in the DSM-5-TR. Despite its significant impact on functioning, no validated instruments exist to measure PGD in Brazilian Portuguese. This study aimed to translate, culturally adapt, and validate the Brazilian version of the Prolonged Grief 13 Revised (PG-13-R), an instrument aligned with DSM-5-TR criteria for assessing PGD symptoms.

Methods: The study sample comprised 286 bereaved individuals with a mean age of 30.75 years (SD = 12.65), predominantly females (80%). Exploratory Factor Analysis and correlation analysis with depressive and prolonged grief symptoms were performed.

Results: The results demonstrated an adequate content validation index for all items. EFA indicated a unidimensional construct, and the scale showed an excellent internal consistency (Cronbach's alpha = 0.90, McDonald's omega = 0.90) and concurrent validity.

Conclusions: These findings indicate the reliability and validity of the Brazilian PG-13-R for assessing PGD symptoms.

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巴西葡萄牙语《延长悲伤13修订版》（PG-13-R）的翻译、文化适应和验证。

目的：延长悲伤障碍（PGD）是最近在DSM-5-TR中被确认为精神障碍的一种，其特征是持续渴望、意义丧失和身份破坏。尽管它对功能有重大影响，但没有有效的工具来测量巴西葡萄牙语的PGD。本研究旨在翻译、文化适应和验证巴西版延长悲伤13修订版（PG-13-R），这是一种与DSM-5-TR标准一致的评估PGD症状的工具。方法：研究样本为286例丧偶个体，平均年龄30.75岁（SD = 12.65），以女性为主（80%）。探索性因素分析及与抑郁和延长悲伤症状的相关性分析。结果：结果表明，所有项目都有足够的内容验证指数。EFA量表具有单向度结构，量表具有良好的内部一致性（Cronbach’s alpha = 0.90, McDonald’s omega = 0.90）和并发效度。结论：这些发现表明巴西PG-13-R评估PGD症状的可靠性和有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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