尼泊尔文版《牙齿美学问卷的社会心理影响》（PIDAQ）的翻译与验证
Translation and validation of a Nepalese version of the Psychosocial Impact of Dental Aesthetic Questionnaire (PIDAQ).
作者信息
Singh Varun Pratap, Singh Rajkumar
机构信息
V. P. Singh, Department of Orthodontics, B.P. Koirala Institute of Health Sciences, Dharan, Nepal
出版信息
J Orthod. 2014 Mar;41(1):6-12. doi: 10.1179/1465313313Y.0000000079.
OBJECTIVE
The aim of this study was to develop a reliable and valid Nepali version of the Psychosocial Impact of Dental Aesthetic Questionnaire (PIDAQ).
DESIGN
Cross-sectional descriptive validation study.
SETTINGS
B.P. Koirala Institute of Health Sciences, Dharan, Nepal.
METHODS
A rigorous translation process including conceptual and semantic evaluation, translation, back translation and pre-testing was carried out. Two hundred and fifty-two undergraduates, including equal numbers of males and females with an age ranging from 18 to 29 years (mean age: 22·33±2·114 years), participated in this study. Reliability was assessed by Cronbach's alpha coefficient and the coefficient of correlation was used to assess correlation between items and test-retest reliability. The construct validity was tested by factorial analysis. Convergent construct validity was tested by comparison of PIDAQ scores with the aesthetic component of the index of orthodontic treatment needs (IOTN-AC) and perception of occlusion scale (POS), respectively. Discriminant construct validity was assessed by differences in score for those who demand treatment and those who did not.
RESULTS
The response rate was 100%. One hundred and twenty-three individuals had a demand for orthodontic treatment. The Nepali PIDAQ had excellent reliability with Cronbach's alpha of 0·945, corrected item correlation between 0·525 and 0·790 and overall test-retest reliability of 0·978. The construct validity was good with formation of a new sub-domain 'Dental self-consciousness'. The scale had good correlation with IOTN-AC and POS fulfilling convergent construct validity. The discriminant construct validity was proved by significant differences in scores for subjects with demand and without demand for treatment.
CONCLUSION
To conclude, Nepali version of PIDAQ has good psychometric properties and can be used effectively in this population group for further research.
目的
本研究旨在开发一个可靠且有效的尼泊尔语版《牙齿美学问卷的心理社会影响量表》（PIDAQ）。
设计
横断面描述性效度研究。
地点
尼泊尔达兰的B.P. 柯伊拉腊健康科学研究所。
方法
进行了严格的翻译过程，包括概念和语义评估、翻译、回译和预测试。252名本科生参与了本研究，男女数量相等，年龄在18至29岁之间（平均年龄：22.33±2.114岁）。通过克朗巴哈系数评估信度，使用相关系数评估项目间的相关性以及重测信度。通过因子分析测试结构效度。分别将PIDAQ得分与正畸治疗需求指数的美学成分（IOTN - AC）和咬合感知量表（POS）进行比较，测试聚合效度。通过有治疗需求者和无治疗需求者得分的差异评估区分效度。
结果
应答率为100%。123人有正畸治疗需求。尼泊尔语版PIDAQ具有出色的信度，克朗巴哈系数为0.945，校正后的项目相关性在0.525至0.790之间，总体重测信度为0.978。结构效度良好，形成了一个新的子领域“牙齿自我意识”。该量表与IOTN - AC和POS具有良好的相关性，满足聚合效度。有治疗需求者和无治疗需求者得分的显著差异证明了区分效度。
结论
总之，尼泊尔语版PIDAQ具有良好的心理测量特性，可有效地用于该人群的进一步研究。
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