Internal consistency and reliability of the Swiss-French translation of the venous leg ulcer self efficacy tool (VeLUSET)

Abstract

Objective This study was conducted to assess the psychometric properties of the translated and adapted Venous Leg Ulcer Self Efficacy Tool (VeLUSET) in the new cultural context. Design Validation study Setting Three outpatient clinics in Western Switzerland. Participants 32 consecutive persons with venous leg ulcers (VLU). Main outcome measures To determine the internal consistency and reliability of the VeLUSET for use in a Swiss-French speaking venous leg ulcer population. Results Overall, the Cronbach alpha for the VeLUSET-FR was 0.96 (95% CI 0.93 to 0.98) on test and retest. Lin's concordance correlation coefficient of test and retest scores was 0.93 (95% CI 0.86 to 0.96). Conclusion The results indicate that the VeLUSET-FR is a valid and reliable instrument for measuring self-efficacy among Swiss-French persons affected by a venous leg ulcer. Our findings show that the psychometric properties are similar to those of the original tool. Therefore, we suggest that the VeLUSET-FR can be effectively used for measuring self-efficacy in Swiss-French persons with VLU.