Psychometric evaluation and item response theory analysis of the COVID Stress Scales in an older adult population.

IF 2.8 3区医学 Q3 GERIATRICS & GERONTOLOGY

Aging & Mental Health Pub Date : 2024-12-26 DOI:10.1080/13607863.2024.2444348

Kylie A Arsenault, Ying C MacNab, Gordon G J G Asmundson, Thomas Hadjistavropoulos

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引用次数: 0

Abstract

Objectives: The COVID Stress Scales (CSS) represent a widely used self-report measure of stress and anxiety-related responses to COVID-19. Although the CSS have been validated across various nations and languages, their psychometric properties have not been assessed at the factor- or item-level with older adults. We aimed to psychometrically evaluate the CSS in older adults.

Method: The CSS was examined with 486 North American older adults aged 65 years and older. Data were collected in January 2024 using Qualtrics Panels. Reliability was assessed using Cronbach's alpha and McDonald's omega coefficients, structural validity using confirmatory factor analysis, and discriminant validity using a social desirability measure. Item properties were examined using item response theory.

Results: The CSS demonstrated robust internal consistency and a defensible five- and six-factor structure, with the six-factor providing the most optimal model of measurement. All items adequately discriminated among respondents with varying levels of COVID-related stress.

Conclusion: This study is first to demonstrate that the CSS functions as a reliable and valid tool for evaluating COVID-related stress among older adults, a necessary step for supporting its use in assessing mental health impacts of pandemics in a population at high risk of negative post-infection outcomes.

查看原文本刊更多论文

老年人新冠肺炎应激量表的心理测量学评价及项目反应理论分析。

目的：COVID压力量表（CSS）是一种广泛使用的自我报告措施，用于衡量对COVID-19的压力和焦虑相关反应。尽管CSS已经在不同的国家和语言中得到了验证，但它们的心理测量特性还没有在老年人的因素或项目水平上得到评估。我们的目的是对老年人的CSS进行心理测量学评价。方法：对486名65岁及以上的北美老年人进行CSS检查。数据于2024年1月使用Qualtrics Panels收集。信度采用Cronbach's alpha和McDonald's omega系数进行评估，结构效度采用验证性因子分析，区别效度采用社会期望度测量。项目属性采用项目反应理论进行检验。结果：CSS具有稳健的内部一致性和可防御的五因子和六因子结构，其中六因子提供了最优的测量模型。在具有不同程度与covid相关压力的受访者中，所有项目都得到了充分的区分。结论：本研究首次证明，CSS是评估老年人covid - 19相关压力的可靠有效工具，是支持将其用于评估大流行对感染后阴性结果高风险人群心理健康影响的必要步骤。

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

Aging & Mental Health 医学-精神病学

CiteScore

7.00

自引率

2.90%

发文量

176

审稿时长

4-8 weeks

期刊介绍： Aging & Mental Health provides a leading international forum for the rapidly expanding field which investigates the relationship between the aging process and mental health. The journal addresses the mental changes associated with normal and abnormal or pathological aging, as well as the psychological and psychiatric problems of the aging population. The journal also has a strong commitment to interdisciplinary and innovative approaches that explore new topics and methods. Aging & Mental Health covers the biological, psychological and social aspects of aging as they relate to mental health. In particular it encourages an integrated approach for examining various biopsychosocial processes and etiological factors associated with psychological changes in the elderly. It also emphasizes the various strategies, therapies and services which may be directed at improving the mental health of the elderly and their families. In this way the journal promotes a strong alliance among the theoretical, experimental and applied sciences across a range of issues affecting mental health and aging. The emphasis of the journal is on rigorous quantitative, and qualitative, research and, high quality innovative studies on emerging topics.