Validation and reliability of a Spanish version of Simple Shoulder Test (SST-Sp)

Membrilla-Mesa, M., Tejero-Fernandez, V., Cuesta-Vargas, A.I., & Arroyo-Morales, M. (2015) Validation and reliability of a Spanish version of Simple Shoulder Test (SST-Sp). Quality of Life Research, 24(2), pp. 411-416.

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Background: The Simple Shoulder Test (SST-Sp) is a widely used outcome measure.

Objective: The purpose of this study was to develop and validate a Spanish-version SST (SST-Sp).

Methods: A two-stage observational study was conducted. The SST was initially cross-culturally adapted to Spanish through double forward and backward translation and then validated for its psychometric characteristics. Participants (n = 66) with several shoulder disorders completed the SST-Sp, DASH, VAS and SF-12. The full sample was employed to determine factor structure, internal consistency and concurrent criterion validity. Reliability was determined in the first 24–48 h in a subsample of 21 patients.

Results: The SST-Sp showed three factors that explained the 56.1 % of variance, and the internal consistency for each factor was α = 0.738, 0.723 and 0.667, and reliability was ICC = 0.687–0.944. The factor structure was three-dimensional and supported construct validity. Criterion validity determined from the relationship between the SST-Sp and DASH was strong (r = −0.73; p < 0.001) and fair for VAS (r = −0.537; p < 0.001). Relationships between SST-Sp and SF-12 were weak for both physical (r = −0.47; p < 0.001) and mental (r = −0.43; p < 0.001) dimensions.

Conclusions: The SST-Sp supports the findings of the original English version as being a valid shoulder outcome measure with similar psychometric properties to the original English version.

Impact and interest:

4 citations in Scopus
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2 citations in Web of Science®

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ID Code: 88480
Item Type: Journal Article
Refereed: Yes
Keywords: Shoulder ; Psychometrics ; Outcome measure ; Spanish
DOI: 10.1007/s11136-014-0760-2
ISSN: 0962-9343
Divisions: Current > Schools > School of Clinical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: Copyright 2014 Springer International Publishing Switzerland
Deposited On: 21 Oct 2015 03:06
Last Modified: 24 Nov 2015 04:06

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