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J Oral Rehabil. 2017 Jul;44(7):500-510. doi: 10.1111/joor.12515. Epub 2017 May 15.

Cross-cultural adaptation, reliability and construct validity of the Tampa scale for kinesiophobia for temporomandibular disorders (TSK/TMD-Br) into Brazilian Portuguese.

Author information

1
Postgraduate Program in Rehabilitation and Functional Performance at Ribeirão Preto School of Medicine, University of São Paulo-USP, Ribeirão Preto, Brazil.
2
Department of Restorative Dentistry at Ribeirão Preto Dental School (FORP), University of São Paulo-USP, Ribeirão Preto, Brazil.
3
Physical Therapist, Department of Oral Kinesiology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, MOVE Research Institute Amsterdam, The Netherlands.
4
Department of Biomechanics, Medicine and Locomotor Apparatus Rehabilitation at Ribeirão Preto School of Medicine, University of São Paulo-USP, Ribeirão Preto, Brazil.
5
Department of Neuroscience and Science of Behavior at Ribeirão Preto School of Medicine, University of São Paulo-USP, Ribeirão Preto, Brazil.

Abstract

Fear of movement (kinesiophobia) seems to play an important role in the development of chronic pain. However, for temporomandibular disorders (TMD), there is a scarcity of studies about this topic. The Tampa Scale for Kinesiophobia for TMD (TSK/TMD) is the most widely used instrument to measure fear of movement and it is not available in Brazilian Portuguese. The purpose of this study was to culturally adapt the TSK/TMD to Brazilian Portuguese and to assess its psychometric properties regarding internal consistency, reliability, and construct and structural validity. A total of 100 female patients with chronic TMD participated in the validation process of the TSK/TMD-Br. The intraclass correlation coefficient (ICC) was used for statistical analysis of reliability (test-retest), Cronbach's alpha for internal consistency, Spearman's rank correlation for construct validity and confirmatory factor analysis (CFA) for structural validity. CFA endorsed the pre-specified model with two domains and 12-items (Activity Avoidance - AA/Somatic Focus - SF) and all items obtained a loading factor greater than 0·4. Acceptable levels of reliability were found (ICC > 0·75) for all questions and domains of the TSK/TMD-Br. For internal consistency, Cronbach's α of 0·78 for both domains were found. Moderate correlations (0·40 < r < 0.60) were observed for 84% of the analyses conducted between TSK/TMD-Br scores versus catastrophising, depression and jaw functional limitation. TSK/TMD-Br 12 items and two-factor demonstrated sound psychometric properties (transcultural validity, reliability, internal consistency and structural validity). In such a way, the instrument can be used in clinical settings and for research purposes.

KEYWORDS:

kinesiophobia; reliability; surveys and questionnaires; temporomandibular disorders; validation

PMID:
28407268
DOI:
10.1111/joor.12515
[Indexed for MEDLINE]

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