{"title":"波斯头晕障碍量表--筛查版的心理测量特性","authors":"Sadegh Jafarzadeh PhD , Jamshid Jamali PhD","doi":"10.1016/j.vhri.2023.10.011","DOIUrl":null,"url":null,"abstract":"<div><h3>Objectives</h3><p><span>The Dizziness Handicap Inventory (DHI) is the most popular and widely used questionnaire in evaluating patients with </span>vertigo<span>. 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).</span></p></div><div><h3>Methods</h3><p><span><span>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 </span>confirmatory factor analysis, internal consistency based on Cronbach’s α and Ω, and test-retest stability based on intraclass </span>correlation coefficient and smallest detectable change.</p></div><div><h3>Results</h3><p>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.</p></div><div><h3>Conclusions</h3><p>The DHI-S in the Persian language has high and acceptable psychometric properties. This questionnaire can be used in research and clinical settings.</p></div>","PeriodicalId":23497,"journal":{"name":"Value in health regional issues","volume":null,"pages":null},"PeriodicalIF":1.4000,"publicationDate":"2023-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Psychometric Properties of the Persian Dizziness Handicap Inventory – Screening Version\",\"authors\":\"Sadegh Jafarzadeh PhD , Jamshid Jamali PhD\",\"doi\":\"10.1016/j.vhri.2023.10.011\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Objectives</h3><p><span>The Dizziness Handicap Inventory (DHI) is the most popular and widely used questionnaire in evaluating patients with </span>vertigo<span>. 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).</span></p></div><div><h3>Methods</h3><p><span><span>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 </span>confirmatory factor analysis, internal consistency based on Cronbach’s α and Ω, and test-retest stability based on intraclass </span>correlation coefficient and smallest detectable change.</p></div><div><h3>Results</h3><p>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.</p></div><div><h3>Conclusions</h3><p>The DHI-S in the Persian language has high and acceptable psychometric properties. This questionnaire can be used in research and clinical settings.</p></div>\",\"PeriodicalId\":23497,\"journal\":{\"name\":\"Value in health regional issues\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.4000,\"publicationDate\":\"2023-12-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Value in health regional issues\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2212109923001309\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"HEALTH CARE SCIENCES & SERVICES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Value in health regional issues","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2212109923001309","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"HEALTH CARE SCIENCES & SERVICES","Score":null,"Total":0}
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.
Conclusions
The DHI-S in the Persian language has high and acceptable psychometric properties. This questionnaire can be used in research and clinical settings.
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