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The Italian version of the University of Wisconsin Running Injury and Recovery Index (UWRI): cross-cultural
Filippo Maselli1, Leonardo Pellicciari2, Marco Testa3
1Human Neurosciences Department, Sapienza University of Rome, Rome, Italy.
Objectives:
To translate, cross-culturally adapt and study the psychometric properties of the Wisconsin Running Injury and Recovery Index (UWRI) in Italian runners with running-related injuries (RRI).
Design:
clinometric study.
Setting:
5 private outpatient physical therapy clinics.
Participants:
144 subjects with RRI.
Main Outcome Measures:
UWRI translation was performed following international guidelines. Structural validity (confirmatory factor analysis [CFA]), internal consistency (Cronbach's alpha [α]), test-retest reliability (intraclass correlation coefficient [ICC]), measurement error (minimal detectable change [MDC]), and construct validity (hypothesis testing).
Results:
UWRI translation was performed without issues. CFA showed a two-factor structure (i.e., running progression and symptom surveillance subscale) (comparative fit index = 0.988; Tucker-Lewis index = 0.977; root mean square error of approximation = 0.049; standardized root mean square residual = 0.042). Each subscale presented high internal consistency (α = 0.92 and 0.75 for the running progression and symptom surveillance subscales, respectively), excellent and good test-retest reliability (ICC = 0.99 and 0.89 for the running progression and symptom surveillance subscales, respectively), and acceptable measurement error (MDC = 0.33 and 2.3 points for the running progression and symptom surveillance subscales, respectively). Construct validity was moderate for both subscales as 50.0 % (2/4) of a-priori hypotheses were satisfied.
Conclusion:
The validation process revealed acceptable psychometric properties of the UWRI Italian version, which can be used for research and clinical purposes.
