Ravaghi Vahid, Farrahi-Avval Niaz, Locker David, Underwood Martin
Centre for Health Sciences, Barts and The London, Queen Mary University of London, United Kingdom.
Oral Health Prev Dent. 2010;8(3):229-35.
The Oral Health Impact Profile (OHIP) questionnaire measures oral health-related quality of life and is widely used for assessing subjective oral health status. The objective of the present study was to describe the translation and validation of the shortened 14-item OHIP for native Persian (Farsi) speakers living in Iran.
The authors translated the OHIP-14 into Persian (OHIP-14-P), followed by back-translation into English, after which the Persian version was revised and modified. They administered the questionnaire to native Persian-speaking clients at a university-based dental clinic in Tehran, Iran (n = 240, 123 females and 117 males, mean age 39, range 18 to 76). They examined the convergent validity and discriminative validity of OHIP by analysing their association with various self-reported health outcomes. They evaluated the test–retest reliability by administering the instrument to 37 patients a second time. They analysed the internal consistency and reliability using a intraclass correlation coefficients (ICC) and Cronbach's reliability coefficient, respectively.
The associations between scores of OHIP-14-P and its subscales with self-reported general (r(s) [Spearman's rank correlation coefficient] range 0.38 to 0.52) and oral health (r(s) range 0.25 to 0.45) confirmed convergent validity. Discriminative validity was confirmed through the significant relationship between OHIP-14-P scores with both the experience of pain and satisfaction with oral health (P < 0.001). The instrument's test–retest reliability (ICCs: 0.75 to 0.88) and internal consistency (Cronbach's α: 0.45 to 0.73 and Cronbach's α if subscale deleted: 0.88 to 0.85) were satisfactory.
The Persian version of OHIP-14 was found to be a valid and reliable measure, and appropriate to be used among native Persian speakers visiting a dental clinic.
口腔健康影响程度量表（OHIP）问卷用于衡量与口腔健康相关的生活质量，被广泛用于评估主观口腔健康状况。本研究的目的是描述针对生活在伊朗的以波斯语为母语的人群，对简化版14项OHIP进行翻译和验证的过程。
作者将OHIP-14翻译成波斯语（OHIP-14-P），随后再回译成英语，之后对波斯语版本进行修订和修改。他们在伊朗德黑兰一家大学牙科诊所，向以波斯语为母语的患者发放问卷（n = 240，女性123名，男性117名，平均年龄39岁，范围18至76岁）。通过分析OHIP与各种自我报告的健康结果之间的关联，检验其收敛效度和区分效度。通过再次向37名患者发放该问卷，评估重测信度。分别使用组内相关系数（ICC）和克朗巴哈信度系数分析内部一致性和信度。
OHIP-14-P得分及其子量表得分与自我报告的总体健康状况（斯皮尔曼等级相关系数r(s)范围为0.38至0.52）和口腔健康状况（r(s)范围为0.25至0.45）之间的关联证实了收敛效度。通过OHIP-14-P得分与疼痛体验和口腔健康满意度之间的显著关系（P < 0.001），证实了区分效度。该问卷的重测信度（ICC：0.75至0.88）和内部一致性（克朗巴哈α系数：0.45至0.73，删除子量表后的克朗巴哈α系数：0.88至0.85）令人满意。
OHIP-14的波斯语版本被发现是一种有效且可靠的测量工具，适用于前往牙科诊所就诊的以波斯语为母语的人群。
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