Low Back Pain Clinical Trial
— DFOS-ITOfficial title:
Traduzione, Adattamento Transculturale e Misura Delle proprietà Psicometriche Del Questionario "Dance Functional Outcome Survey" (Dfos) in Lingua Italiana
NCT number | NCT03918876 |
Other study ID # | 71267 |
Secondary ID | |
Status | Completed |
Phase | |
First received | |
Last updated | |
Start date | May 11, 2019 |
Est. completion date | October 31, 2019 |
Verified date | April 2020 |
Source | University of Bologna |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Study Design: Evaluation of the psychometric properties of a translated, culturally adapted
questionnaire.
Objective: Translating, culturally adapting, and validating the Italian version of the Dance
Functional Outcome Survey (DFOS-IT), allowing its use with Italian-speaking dancers to
evaluate their musculoskeletal health and wellbeing inside and outside Italy.
Summary of Background Data: Musculoskeletal injuries are a phenomenon of huge prevalence and
has been a major focus within peer-reviewed literature since the 1980s.
Growing attention is devoted to standardized outcome measures to improve interventions for
injured dancers.
A translated form of the DFOS, the only existing outcome measure that focus on the unique
functional requirements of dancers, has never been validated within the Italian dancers
population.
Status | Completed |
Enrollment | 265 |
Est. completion date | October 31, 2019 |
Est. primary completion date | September 30, 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility |
For all dancers, inclusion criteria : - A minimum of 3 years of dance training (classical, contemporary, modern-jazz ..) - An Intermediate to expert skill level - 18 years of age or older For healthy dancers subgroup, inclusion criteria: - No low back or lower extremity injury in the previous 3 months. For injured dancers subgroup, inclusion criteria: - at least one low back or lower extremity injury in the previous 3 months. For all dancers exclusion criteria: - Non-Italian speaking - Pregnancy - Current active disease processes other from a musculoskeletal injury in the low back or lower extremity. |
Country | Name | City | State |
---|---|---|---|
Italy | Unità Operativa di Medicina del Lavoro AOU Sant'Orsola-Malpighi | Bologna | BO |
Lead Sponsor | Collaborator |
---|---|
Angela Contri |
Italy,
Apolone G, Mosconi P. The Italian SF-36 Health Survey: translation, validation and norming. J Clin Epidemiol. 1998 Nov;51(11):1025-36. — View Citation
Bronner S, Chodock E, Urbano IER, Smith T. Psychometric Properties of the Dance Functional Outcome Survey (DFOS): Reliability, Validity, and Responsiveness. J Orthop Sports Phys Ther. 2019 Feb;49(2):64-79. doi: 10.2519/jospt.2019.8247. Epub 2018 Jul 27. — View Citation
Bronner S, Urbano IR. Dance Functional Outcome Survey: Development and Preliminary Analyses. Sports Med Int Open. 2018 Nov 28;2(6):E191-E199. doi: 10.1055/a-0729-3000. eCollection 2018 Nov. — View Citation
Smith TO, Davies L, de Medici A, Hakim A, Haddad F, Macgregor A. Prevalence and profile of musculoskeletal injuries in ballet dancers: A systematic review and meta-analysis. Phys Ther Sport. 2016 May;19:50-6. doi: 10.1016/j.ptsp.2015.12.007. Epub 2016 Jan — View Citation
Sousa VD, Rojjanasrirat W. Translation, adaptation and validation of instruments or scales for use in cross-cultural health care research: a clear and user-friendly guideline. J Eval Clin Pract. 2011 Apr;17(2):268-74. doi: 10.1111/j.1365-2753.2010.01434.x — View Citation
Swain CTV, Bradshaw EJ, Ekegren CL, Whyte DG. The Epidemiology of Low Back Pain and Injury in Dance: A Systematic Review. J Orthop Sports Phys Ther. 2019 Apr;49(4):239-252. doi: 10.2519/jospt.2019.8609. Epub 2019 Jan 18. — View Citation
Vassallo AJ, Trevor BL, Mota L, Pappas E, Hiller CE. Injury rates and characteristics in recreational, elite student and professional dancers: A systematic review. J Sports Sci. 2019 May;37(10):1113-1122. doi: 10.1080/02640414.2018.1544538. Epub 2018 Nov — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Dance Functional Outcome Score | Self-reported functional outcome questionnaire for ballet and modern dance populations, applicable to musculoskeletal injuries of the low back and lower extremities. The 14-question DFOS assesses the dancer's ability in areas of activities of daily living (ADL, 40 points) and dance technique (technique, 50 points). Total score from 0 to 90, subscore Activities of daily living 40, Technique 50. Higher scores represent better outcomes. Total points are normalized to a percentage, with 100% representing full function without limitations. | 1 day | |
Primary | Validate the Italian translation of the DFOS | The score between the DFOS-IT versus the italian validated version of the SF-36 will be compared | 1 day | |
Secondary | DFOS-IT test-retest reliability | Assess DFOS-IT test-retest reliabilty in adult dancers with and without musculoskeletal injury to the low back or lower extremities. Test-retest reliability will be assessed with 1 group (including "healthy" and "injured" dancers), 2 measurements (test-retest), with an effect size change of 0.25, power of 0.95, and a significance level of a = .05. Test-retest reliability analysis separately will compare combined, healthy, and injured groups for the DFOS total score and ADL and technique subscores using the intraclass correlation coefficient. The ICC values of 0.49 or less will be considered low, 0.50 to 0.69 moderate, 0.70 to 0.89 high, and 0.90 to 1.00 very high. | Baseline - Between Day 4 and 30 | |
Secondary | DFOS-IT construct validity | Assess DFOS-IT construct validity in with 1 group (adult dancers with and without musculoskeletal injury to the low back or lower extremities), with an effect-size change of 0.25, power of 0.95, and a significance level of a = .05. | Mid December 2019 | |
Secondary | DFOS-IT factor analysis and internal consistency | Assess DFOS-IT factor analysis and internal consistency in adult dancers with and without musculoskeletal injury to the low back or lower extremities. Cronbach's alpha will be calculate to estimate internal item consistency. | Mid December 2019 | |
Secondary | DFOS-IT sensitivity | Assess DFOS-IT sensitivity in adult dancers with and without musculoskeletal injury to the low back or lower extremities. To conduct sensitivity analyses in the healthy group and injured group, the researchers will conduct a t test for equal variances not assumed and a significant Levene test. | Mid December 2019 | |
Secondary | DFOS-IT Internal responsiveness | participants are classified as 'improved' (injured at T0 and healthy at T4mo), 'worsened' (healthy at T0 and injured at T4mo) or 'no change' (health status unchanged from T0 to T4mo). We will examine differences in DFOS-IT and SF-36 scores across 3-time-points using repeated-measures ANOVA. Internal responsiveness was defined using SEM, minimal detectable change at the 95%CI, standardized response mean and effect size and calculated for all DFOS-IT scores, SF-36 PCS and MCS. | After 4 months from the first submission | |
Secondary | DFOS-IT Floor and Ceiling Effects | Assess DFOS-IT Floor and Ceiling Effects in the injured group | Mid December 2019 |
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