J Clin Neurol.  2013 Jan;9(1):26-31. 10.3988/jcn.2013.9.1.26.

Translation and Validation of the Korean Version of the 39-Item Parkinson's Disease Questionnaire

Affiliations
  • 1Department of Neurology, Korea University College of Medicine, Seoul, Korea. parkinson@korea.ac.kr
  • 2Department of Neurology, Dong-A University College of Medicine, Busan, Korea.
  • 3Department of Neurology, Hallym University College of Medicine, Anyang, Korea.
  • 4Department of Neurology, Kyung Hee University College of Medicine, Seoul, Korea.
  • 5Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 6Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 7Parkinson/Alzheimer Center, Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • 8Department of Neurology, The Catholic University of Korea College of Medicine, Seoul, Korea.
  • 9Department of Neurology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.

Abstract

BACKGROUND AND PURPOSE
The importance of health-related quality of life (HrQoL) has been increasingly emphasized when assessing and providing treatment to patients with chronic, progressive, degenerative disorders. The 39-item Parkinson's disease questionnaire (PDQ-39) is the most widely used patient-reporting scale to assess HrQoL in Parkinson's disease (PD). This study evaluated the validity and reliability of the translated Korean version of the PDQ-39 (K-PDQ-39).
METHODS
One hundred and two participants with PD from 10 movement disorder clinics at university-affiliated hospitals in South Korea completed the K-PDQ-39. All of the participants were also tested using the Unified Parkinson's Disease Rating Scale (UPDRS), Korean version of the Mini-Mental State Examination (K-MMSE), Korean version of the Montgomery-Asberg Depression Scale (K-MADS), Epworth Sleepiness Scale (ESS) and non-motor symptoms scale (NMSS). Retests of the K-PDQ-39 were performed over time intervals from 10 to 14 days in order to assess test-retest reliability.
RESULTS
Each K-PDQ-39 domain showed correlations with the summary index scores (rS=0.559-0.793, p<0.001). Six out of eight domains met the acceptable standard of reliability (Cronbach's alpha coefficient > or =0.70). The Guttman split-half coefficient value of the K-PDQ-39 summary index, which is an indicator of test-retest reliability, was 0.919 (p<0.001). All of the clinical variables examined except for age, comprising disease duration, levodopa equivalent dose, modified Hoehn and Yahr stage (H&Y stage), UPDRS part I, II and III, mood status (K-MADS), cognition (K-MMSE), daytime sleepiness (ESS) and (NMSS) showed strong correlations with the K-PDQ-39 summary index (p<0.01).
CONCLUSIONS
The K-PDQ-39 has been validated for use in the Korean-speaking PD population. The questionnaire is a valid and reliable assessment tool for assessing the HrQoL of Korean PD patients.

Keyword

Parkinson's disease; quality of life; validation

MeSH Terms

Cognition
Depression
Humans
Levodopa
Movement Disorders
Parkinson Disease
Quality of Life
Reproducibility of Results
Republic of Korea
Surveys and Questionnaires
Levodopa

Figure

  • Fig. 1 Correlation analysis of K-NMSS total score and K-PDQ-39. K-NMSS: Korean version-non-motor symptoms scale for Parkinson's disease, K-PDQ: Korean version-Parkinson's disease questionnaire.


Cited by  3 articles

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J Korean Med Sci. 2018;33(2):.    doi: 10.3346/jkms.2018.33.e14.

The KMDS-NATION Study: Korean Movement Disorders Society Multicenter Assessment of Non-Motor Symptoms and Quality of Life in Parkinson's Disease NATION Study Group
Do-Young Kwon, Seong-Beom Koh, Jae Hyeok Lee, Hee Kyung Park, Han-Joon Kim, Hae-Won Shin, Jinyoung Youn, Kun Woo Park, Sun-Ah Choi, Sang Jin Kim, Seong-Min Choi, Ji-Yun Park, Beom S. Jeon, Ji Young Kim, Sun Ju Chung, Chong Sik Lee, Jeong-Ho Park, Tae-Beom Ahn, Won Chan Kim, Hyun Sook Kim, Sang Myung Cheon, Hee-Tae Kim, Jee-Young Lee, Ji Sun Kim, Eun-Joo Kim, Jong-Min Kim, Kwang Soo Lee, Joong-Seok Kim, Min-Jeong Kim, Jong Sam Baik, Ki-Jong Park, Hee Jin Kim, Mee Young Park, Ji Hoon Kang, Sook Kun Song, Yong Duk Kim, Ji Young Yun, Ho-Won Lee, Hyung Geun Oh, Jinwhan Cho, In-Uk Song, Young H. Sohn, Phil Hyu Lee, Jae Woo Kim
J Clin Neurol. 2016;12(4):393-402.    doi: 10.3988/jcn.2016.12.4.393.

Subtypes of Sleep Disturbance in Parkinson's Disease Based on the Cross-Culturally Validated Korean Version of Parkinson's Disease Sleep Scale-2
Hui-Jun Yang, Han-Joon Kim, Seong-Beom Koh, Joong-Seok Kim, Tae-Beom Ahn, Sang-Myung Cheon, Jin Whan Cho, Yoon-Joong Kim, Hyeo-Il Ma, Mee Young Park, Jong Sam Baik, Phil Hyu Lee, Sun Ju Chung, Jong-Min Kim, In-Uk Song, Ji-Young Kim, Young-Hee Sung, Do Young Kwon, Jae-Hyeok Lee, Jee-Young Lee, Ji Seon Kim, Ji Young Yun, Hee Jin Kim, Jin Yong Hong, Mi-Jung Kim, Jinyoung Youn, Ji Sun Kim, Eung Seok Oh, Won Tae Yoon, Sooyeoun You, Kyum-Yil Kwon, Hyung-Eun Park, Su-Yun Lee, Younsoo Kim, Hee-Tae Kim, Sang Jin Kim
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