波斯头晕障碍量表--筛查版的心理测量特性

IF 1.4 Q3 HEALTH CARE SCIENCES & SERVICES

Value in health regional issues Pub Date : 2023-12-27 DOI:10.1016/j.vhri.2023.10.011

Sadegh Jafarzadeh PhD , Jamshid Jamali PhD

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引用次数: 0

摘要

目的：眩晕障碍量表（DHI）是评估眩晕患者最常用、最广泛的问卷。该问卷有一个筛查版本，与 DHI 高度相关。本研究旨在评估波斯语 DHI 筛选版（DHI-S）的心理测量特性：这项横断面方法学研究于 2020 年至 2021 年在伊朗马什哈德的中央前庭诊所对 300 名患者进行了研究。首先，采用前后向翻译法将 DHI-S 翻译成波斯语。随后，对以下几种效度和信度进行了检验：基于内容效度指数和内容效度比率的内容效度、基于影响分值的面效度、基于确证因子分析的构造效度、基于克朗巴赫α和Ω的内部一致性以及基于类内相关系数和最小可检测变化的测试-再测稳定性：DHI-S具有较高的内容效度和表面效度。结果：DHI-S 具有较高的内容效度和表面效度，选择 8 分作为患者与正常组的分界点，灵敏度为 63.67%，特异度为 96.08%。建构效度表明问卷是一维的。内部一致性的 Cronbach's α 和 Ω 分别为 0.855 和 0.851。类内相关系数为 0.981，可检测到的最小变化为 5.521：结论：波斯语 DHI-S 具有较高且可接受的心理测量特性。该问卷可用于研究和临床。

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Psychometric Properties of the Persian Dizziness Handicap Inventory – Screening Version

Objectives

The Dizziness Handicap Inventory (DHI) is the most popular and widely used questionnaire in evaluating patients with vertigo. This questionnaire has a screening version with a high correlation with DHI. This study aimed to assess the psychometric properties of the Persian DHI – Screening version (DHI-S).

Methods

This cross-sectional and methodological study was conducted on 300 patients at the central vestibular clinic in Mashhad, Iran, from 2020 to 2021. First, the DHI-S was translated into Persian using the backward-forward translation method. Subsequently, the following types of validity and reliability were examined: content validity based on content validity index and content validity ratio, face validity based on impact score, construct validity based on confirmatory factor analysis, internal consistency based on Cronbach’s α and Ω, and test-retest stability based on intraclass correlation coefficient and smallest detectable change.

Results

The DHI-S had high content and face validity. Score 8 was selected for the cutoff point between patients and the normal group with a sensitivity of 63.67% and specificity of 96.08%. The construct validity indicated that the questionnaire is one-dimensional. The Cronbach’s α and Ω for internal consistency were 0.855 and 0.851, respectively. The intraclass correlation coefficient was 0.981 and the smallest detectable change was 5.521.