Shirado Osamu, Doi Tokuhide, Akai Masami, Fujino Keiji, Hoshino Yuichi, Iwaya Tsutomu
Department of Orthopaedic Surgery, Faculty of Medicine, Saitama Medical University, Moroyama, Saitama 350-0495, Japan.
Spine (Phila Pa 1976). 2007 Dec 15;32(26):3052-9. doi: 10.1097/BRS.0b013e31815cda68.
Development of a nationwide patient-based outcome measure for patients with chronic low back pain (CLBP).
The purpose of this study was to develop and introduce a new means of measuring outcomes for Japanese individuals with CLBP (the Japan Low Back Pain Evaluation Questionnaire [JLEQ]), and to examine its validity and reliability by comparison with the Roland-Morris Disability Questionnaire (RDQ).
CLBP is a serious problem affecting the health and welfare of workers, especially laborers. The severity and disability it causes vary depending on cultural background and the psycho-emotional aspect of the patients.
The following items were tested for the JLEQ and the RDQ using psychometric analyses: content validity, construct validity, criterion validity, internal-consistency reliability, and test and retest reliability.
A total of 195 patients with CLBP participated in this study. There were no floor and ceiling effects in the JLEQ. Cronbach's alpha coefficient was 0.971 and 0.893 for the JLEQ and RDQ, respectively. The test-retest interclass correlation coefficient in the JLEQ was 0.886, indicating good test-retest reliability. Categorical principal component analysis showed that the construct structure consisted of 3 item clusters in the JLEQ. The factor loading patterns indicated that the JLEQ items were separated into 3 domains, i.e., a moderately loaded group, a less loaded group, and psychological conditions. The degree of correlation between the question items in the JLEQ and RDQ was evaluated using Akaike Information Criteria.
The JLEQ was shown to be a valid and reliable questionnaire scale for measurement of patient-based outcomes in CLBP patients.
开发一种针对慢性下腰痛（CLBP）患者的全国性基于患者的结局测量方法。
本研究的目的是开发并引入一种用于测量日本CLBP患者结局的新方法（日本下腰痛评估问卷[JLEQ]），并通过与罗兰-莫里斯残疾问卷（RDQ）比较来检验其有效性和可靠性。
CLBP是一个严重影响工人尤其是劳动者健康和福利的问题。其导致的严重程度和残疾程度因文化背景和患者的心理情绪因素而异。
使用心理测量分析对JLEQ和RDQ的以下项目进行测试：内容效度、结构效度、效标效度、内部一致性信度以及重测信度。
共有195例CLBP患者参与了本研究。JLEQ不存在地板效应和天花板效应。JLEQ和RDQ的Cronbach's α系数分别为0.971和0.893。JLEQ的重测组内相关系数为0.886，表明重测信度良好。分类主成分分析表明，JLEQ的结构由3个项目簇组成。因子负荷模式表明，JLEQ项目分为3个领域，即中等负荷组、低负荷组和心理状况。使用赤池信息准则评估JLEQ和RDQ中问题项目之间的相关程度。
JLEQ被证明是一种有效且可靠的问卷量表，用于测量CLBP患者基于患者的结局。
