Latent structure and measurement invariance of the post-traumatic stress Scale-10 in cancer patients.

IF 2.7 4区心理学 Q2 PSYCHOLOGY, EXPERIMENTAL

Acta Psychologica Pub Date : 2025-09-29 DOI:10.1016/j.actpsy.2025.105653

Elisabeth L Zeilinger, Ingo W Nader, Amelie Fuchs, Jakob Pietschnig, Matthias Knefel, Sandra Oberleiter, Matthias Unseld, Peter Valent, Alexander Gaiger

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引用次数: 0

Abstract

Objective: The aim of this study was to evaluate the factor structure and measurement invariance of the German version of the Post-Traumatic Stress Scale-10 (PTSS-10) in a sample of patients with solid cancer or hematopoietic neoplasms.

Method: A sample of 3841 cancer outpatients was included in this study. The factor structure was analyzed using confirmatory factor analysis (CFA). Multi-group CFA was employed to assess the measurement invariance of the scale concerning age, sex, cancer type, and socio-economic factors.

Results: The results indicate that a one-factor structure is appropriate in this population only when excluding two items, namely item 7 (frequent swings in mood) and 9 (fear when approaching the place of the event). This model achieved only partial scalar measurement invariance. Item 4 (being easily startled) was identified as a source of non-invariance between women and men.

Conclusions: This study recommends excluding items 7 and 9 when using the PTSS-10 in cancer patients, introducing the PTSS-8-CANCER score for the evaluation of PTSS-10 data. For group comparisons, item 4 should also be excluded from scoring. Overall, the study indicates that the PTSS-10 questionnaire, in its original form, lacks the necessary psychometric strength to serve as a reliable screening instrument for post-traumatic stress disorder in cancer patients.

查看原文本刊更多论文

肿瘤患者创伤后应激量表-10的潜在结构及测量不变性。

目的：评价德文创伤后应激量表-10 （ptsd -10）在实体癌或造血肿瘤患者中的因子结构和测量不变性。方法：选取3841例肿瘤门诊患者作为研究对象。采用验证性因子分析（CFA）对因子结构进行分析。采用多组CFA评估量表在年龄、性别、癌症类型和社会经济因素方面的测量不变性。结果：在排除第7项（情绪频繁波动）和第9项（接近事件发生地时的恐惧）两项后，该人群的单因素结构是合适的。该模型仅实现部分标量测量不变性。项目4（容易受到惊吓）被认为是男女之间非不变性的一个来源。结论：本研究建议在对癌症患者使用ptsd -10量表时，排除第7项和第9项，引入ptsd -8- cancer评分对ptsd -10数据进行评价。对于分组比较，第4项也应排除在评分之外。综上所述，本研究表明，ptsd -10问卷的原始形式缺乏必要的心理测量强度，无法作为癌症患者创伤后应激障碍的可靠筛查工具。

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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来源期刊

Acta Psychologica PSYCHOLOGY, EXPERIMENTAL-

CiteScore

3.00

自引率

5.60%

发文量

274

审稿时长

36 weeks

期刊介绍： Acta Psychologica publishes original articles and extended reviews on selected books in any area of experimental psychology. The focus of the Journal is on empirical studies and evaluative review articles that increase the theoretical understanding of human capabilities.