Consistency as the Currency in Psychological Measures: A Reliability Generalization Meta-Analysis of Kessler Psychological Distress Scale (K-10 and K-6)

IF 4.7 2区医学 Q1 PSYCHIATRY Depression and Anxiety Pub Date : 2024-10-16 DOI:10.1155/2024/3801950

Ajele Kenni Wojujutari, Erhabor Sunday Idemudia

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Abstract

Background: Psychological distress is a critical concern in mental health, significantly impacting the quality of life across lifespan. Reliable and culturally adaptable assessment tools are essential for effective diagnosis and intervention. The Kessler Psychological Distress Scales (K-10 and K-6) are widely used for their efficiency and psychometric strength, but the reliability of K-10 and K-6 across different populations and settings remains to be determined.

Objective: This study aims to evaluate the reliability generalization (RG) of the K-10 and K-6 scales across diverse demographic and cultural contexts, providing a comprehensive meta-analysis of their performance.

Method: A RG meta-analysis was conducted using data from peer-reviewed articles published between 2002 and 2024, sourced from databases such as Web of Science, Scopus, and ScienceDirect. The analysis included 48 studies that reported reliability measures like Cronbach’s α, focusing on the psychometric properties of the scales across various populations and settings.

Results: The meta-analysis revealed high internal consistency for both the K-10 (mean α = 0.90, 95% confidence interval (CI) [0.88, 0.91]) and K-6 (mean α = 0.84, 95% CI [0.80, 0.88]) scales. Reliability varied across different populations and languages. For the K-10, the highest reliability was found among adolescents (α = 0.93) and carers (α = 0.91). The K-10 demonstrated exceptional reliability in settings such as Australia (α = 0.97) and significant variability in Tanzania (α = 0.78). The K-6 scale showed high reliability among outpatients (α = 0.89) and the general population (α = 0.87). The scales were adapted into multiple languages, including English, Chinese, Swahili, Farsi, Indonesian, Japanese, Hindi, and Portuguese, reflecting their global applicability and adaptability.

Conclusion: The Kessler Psychological Distress Scales (K-10 and K-6) are reliable tools for measuring psychological distress in general and clinical populations. Their high reliability and adaptability across diverse settings highlight their value in clinical practice and research. These findings support the continued use and adaptation of these scales in global mental health assessments, emphasizing the importance of cultural and linguistic considerations.

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一致性是心理测量的货币：凯斯勒心理压力量表（K-10 和 K-6）的可靠性归纳元分析

背景：心理困扰是心理健康的一个重要问题，严重影响人一生的生活质量。可靠且适合不同文化背景的评估工具对于有效诊断和干预至关重要。凯斯勒心理压力量表（K-10 和 K-6）因其高效性和心理测量优势而被广泛使用，但 K-10 和 K-6 在不同人群和环境中的可靠性仍有待确定。研究目的本研究旨在评估 K-10 和 K-6 量表在不同人口和文化背景下的信度泛化（RG），对其表现进行全面的元分析。方法：使用 2002 年至 2024 年间发表的同行评议文章中的数据进行了 RG 元分析，数据来源于 Web of Science、Scopus 和 ScienceDirect 等数据库。分析包括 48 项报告了 Cronbach's α 等信度指标的研究，重点关注量表在不同人群和环境中的心理测量特性。结果显示荟萃分析表明，K-10（平均 α = 0.90，95% 置信区间 (CI) [0.88, 0.91]）和 K-6（平均 α = 0.84，95% 置信区间 (CI) [0.80, 0.88]）量表的内部一致性较高。不同人群和语言的信度各不相同。在 K-10 量表中，青少年（α = 0.93）和照护者（α = 0.91）的信度最高。K-10 在澳大利亚（α = 0.97）等地表现出了极高的可靠性，而在坦桑尼亚（α = 0.78）则有显著的变异性。K-6 量表在门诊患者（α = 0.89）和普通人群（α = 0.87）中显示出较高的可靠性。量表被改编成多种语言，包括英语、中文、斯瓦希里语、波斯语、印尼语、日语、印地语和葡萄牙语，反映了其全球适用性和适应性。结论凯斯勒心理压力量表（K-10 和 K-6）是测量普通人群和临床人群心理压力的可靠工具。它们在不同环境下的高可靠性和适应性凸显了它们在临床实践和研究中的价值。这些研究结果支持在全球心理健康评估中继续使用和调整这些量表，并强调了文化和语言因素的重要性。

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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来源期刊

Depression and Anxiety 医学-精神病学

CiteScore

15.00

自引率

1.40%

发文量

审稿时长

4-8 weeks

期刊介绍： Depression and Anxiety is a scientific journal that focuses on the study of mood and anxiety disorders, as well as related phenomena in humans. The journal is dedicated to publishing high-quality research and review articles that contribute to the understanding and treatment of these conditions. The journal places a particular emphasis on articles that contribute to the clinical evaluation and care of individuals affected by mood and anxiety disorders. It prioritizes the publication of treatment-related research and review papers, as well as those that present novel findings that can directly impact clinical practice. The journal's goal is to advance the field by disseminating knowledge that can lead to better diagnosis, treatment, and management of these disorders, ultimately improving the quality of life for those who suffer from them.