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Development and validation of a Lao Juan questionnaire
Kyu-Jin Yoon1, Young-Bae Park, Young-Jae Park
1Department of Diagnosis and Biofunctional Medicine, College of Korean Medicine, Kyung Hee University, Seoul, Korea.
Chinese Journal of Integrative Medicine
|February 13, 2015
Summary
The Lao Juan Questionnaire (LJQ) reliably and validly assesses Lao Juan (LJ) syndrome, a Chinese medicine condition. This study confirms the LJQ as a useful tool for evaluating LJ symptoms.
Area of Science:
- Integrative Medicine
- Psychometrics
- Traditional Chinese Medicine
Background:
- Lao Juan (LJ) is a syndrome in Chinese medicine characterized by fatigue, fever, sweating, indigestion, pain, and weakness.
- A validated instrument is needed to accurately assess LJ syndrome.
Purpose of the Study:
- To examine the reliability and validity of the Lao Juan Questionnaire (LJQ).
Main Methods:
- 151 outpatients and 73 normal subjects completed the LJQ.
- Concurrent validity was assessed using the Chalder Fatigue Scale (CFS).
- Internal consistency, construct validity, and ROC curve analyses were performed.
Main Results:
- The 19-item LJQ demonstrated satisfactory internal consistency (α=0.828) and concurrent validity.
- Principal component analysis identified six factors explaining 59.5% of the variance.
- ROC analysis yielded a sensitivity of 76.0%, specificity of 59.2%, and an optimal cut-off score of six.
Conclusions:
- The Lao Juan Questionnaire (LJQ) is a reliable and valid instrument for evaluating Lao Juan syndrome.
- The study supports the use of the LJQ in clinical and research settings for LJ assessment.
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