The Greek Version of the Hand20 Questionnaire: Crosscultural Translation, Reliability and Construct Validity

Abstract

The English version of Hand20 questionnaire was translated into Greek and cultural adaptation was performed. The validity was assessed in 134 patients with a variety of upper limb disorders. A comparison of Hand20 and DASH was also performed. All patients completed EQ-5D, Hand20 and DASH questionnaire. Test-retest reliability was assessed in a subgroup of 37 patients. We assessed the convergent validity of Hand20 by correlating its scores to DASH and EQ-5D scores. We also compared the completeness of Hand20 and DASH. We found no statistically significant differences in Hand20 scores between the 1st and 2nd measurements as well as a strong correlation between Hand20 and the other two questionnaires. There were also better rates of response and fewer missing data even in elderly individuals.

Validity and reliability study of the Turkish version of the Hand20 questionnaire

“…Given the increasing elderly population in the world, there is a growing need for tools to assess the healthrelated quality of life of older people. One of the most momentous advantages of the Hand20 questionnaire is that it can be easily completed by individuals over the age of 65 [5,8]. In our study, similar findings were obtained.…”

“…In this study, Cronbach's alpha value for Hand20 was 0.933, demonstrating excellent internal consistency. As far as it is known, only the Greek version of the translated Hand20 has been published, and the authors reported the Cronbach's alpha coefficient for their version as 0.956 [5]. In the original version, Suzuki et al reported the Cronbach's alpha value as 0.973 for the 20 items [8].…”

“…The test-retest reliability of Hand20 was satisfying with a Spearman's ρ correlation coefficient of 0.821. Goula et al, in their study of the Greek version, also analyzed the testretest reliability with Spearman's ρ correlation coefficient and reported it as 0.971 [5]. In the original version, Suzuki et al assessed test-retest reliability using the intraclass correlation coefficient, which in their study was 0.943 [8].…”

“…Hand20 scores range from 0 to 100, where a high Hand20 score indicates more disability [11]. The questionnaire has been validated in patients with several upper extremity pathologies and injuries [5].…”

“…Some were generalized for the upper extremities, while others were joint-specific [3] or disease-specific [4]. However, deciding the most compatible instrument to assess the affected upper extremity is difficult [5].…”