{"title":"Validity and Reliability of the Thai Version of the Freezing of Gait Questionnaire in Individuals With Parkinson's disease.","authors":"Arisa Taweekitikul, Phakamas Tanvijit, Pheeravut Tantisuvanitchkul, Prachaya Srivanitchapoom, Yuvadee Pitakpatapee, Fuengfa Khobkhun, Piyapong Akkathep","doi":"10.5535/arm.22149","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the validity and reliability of the Thai version of the Freezing of Gait Questionnaire (FOG-Q) in individuals with Parkinson's disease (PD).</p><p><strong>Methods: </strong>The FOG-Q was translated into Thai according to the standard process. Fifty-six individuals with PD participated in the study. The content validity was assessed using the content validity index (CVI). The construct validity was evaluated by correlating Thai FOG-Q with Thai version of the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) items 2.13 and 3.11, Thai version of the Falls Efficacy Scale-International (FES-I), Timed Up and Go test (TUG) and Berg Balance Scale (BBS) using Spearman's correlation coefficient (rS). The correlation between Thai FOG-Q and clinical characteristics, for example, duration of PD and modified Hoehn and Yahr (mH&Y) stage was evaluated. Internal consistency and test-retest reliability were evaluated with Cronbach's alpha (Cα) and intraclass correlation coefficient (ICC), respectively.</p><p><strong>Results: </strong>The Thai FOG-Q had high content validity (CVI=0.96). The mean FOG-Q score was 9.0±4.9. The construct validity showed a strong positive correlation with MDS-UPDRS item 2.13 (rS=0.81), and moderate correlations with MDS-UPDRS item 3.11, FES-I, and TUG (rS=0.42-0.60). A negative correlation with BBS was found (rS=-0.32). It had a moderate correlation with mH&Y stage (rS=0.40). The Thai FOG-Q had good internal consistency (Cα=0.87) with excellent test-retest reliability (ICC=0.91).</p><p><strong>Conclusion: </strong>The Thai FOG-Q has excellent validity and reliability. It is a useful instrument for the evaluation of FOG in individuals with PD.</p>","PeriodicalId":47738,"journal":{"name":"Annals of Rehabilitation Medicine-ARM","volume":"47 1","pages":"45-51"},"PeriodicalIF":2.1000,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c3/24/arm-22149.PMC10020050.pdf","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annals of Rehabilitation Medicine-ARM","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5535/arm.22149","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"REHABILITATION","Score":null,"Total":0}
引用次数: 1
Abstract
Objective: To evaluate the validity and reliability of the Thai version of the Freezing of Gait Questionnaire (FOG-Q) in individuals with Parkinson's disease (PD).
Methods: The FOG-Q was translated into Thai according to the standard process. Fifty-six individuals with PD participated in the study. The content validity was assessed using the content validity index (CVI). The construct validity was evaluated by correlating Thai FOG-Q with Thai version of the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) items 2.13 and 3.11, Thai version of the Falls Efficacy Scale-International (FES-I), Timed Up and Go test (TUG) and Berg Balance Scale (BBS) using Spearman's correlation coefficient (rS). The correlation between Thai FOG-Q and clinical characteristics, for example, duration of PD and modified Hoehn and Yahr (mH&Y) stage was evaluated. Internal consistency and test-retest reliability were evaluated with Cronbach's alpha (Cα) and intraclass correlation coefficient (ICC), respectively.
Results: The Thai FOG-Q had high content validity (CVI=0.96). The mean FOG-Q score was 9.0±4.9. The construct validity showed a strong positive correlation with MDS-UPDRS item 2.13 (rS=0.81), and moderate correlations with MDS-UPDRS item 3.11, FES-I, and TUG (rS=0.42-0.60). A negative correlation with BBS was found (rS=-0.32). It had a moderate correlation with mH&Y stage (rS=0.40). The Thai FOG-Q had good internal consistency (Cα=0.87) with excellent test-retest reliability (ICC=0.91).
Conclusion: The Thai FOG-Q has excellent validity and reliability. It is a useful instrument for the evaluation of FOG in individuals with PD.
目的:评价泰式步态冻结问卷(fogq)在帕金森病(PD)患者中的效度和信度。方法:按标准程序将FOG-Q翻译成泰文。56名PD患者参与了这项研究。采用内容效度指数(CVI)评价内容效度。通过使用Spearman相关系数(rS)将泰国FOG-Q与泰国版运动障碍学会修订的统一帕金森病评定量表(MDS-UPDRS)第2.13和3.11项、泰国版国际瀑布功效量表(FES-I)、Timed Up and Go测试(TUG)和Berg平衡量表(BBS)进行关联，评估结构效度。评估泰国FOG-Q与临床特征(如PD持续时间和改良Hoehn and Yahr (mH&Y)分期)的相关性。采用Cronbach’s alpha (Cα)和class内相关系数(ICC)分别评价内部一致性和重测信度。结果:泰国FOG-Q量表具有较高的内容效度(CVI=0.96)。FOG-Q平均评分为9.0±4.9。构念效度与MDS-UPDRS项目2.13呈显著正相关(rS=0.81)，与MDS-UPDRS项目3.11、FES-I、TUG呈中度相关(rS=0.42 ~ 0.60)。与BBS呈负相关(rS=-0.32)。与mH&Y分期有中度相关性(rS=0.40)。泰国FOG-Q量表具有良好的内部一致性(Cα=0.87)和良好的重测信度(ICC=0.91)。结论:泰国FOG-Q量表具有良好的效度和信度。它是一种有用的工具，用于评估个人与PD的FOG。
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