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Health and Quality of Life Outcomes
Published in: Health and Quality of Life Outcomes 1/2018

Open Access 01-12-2018 | Research

Psychometric properties of the Audit of Diabetes-Dependent Quality of Life (ADDQoL) in a population-based sample of Polish adults with type 1 and 2 diabetes

Authors: Ewelina Bak, Czeslaw Marcisz, Zofia Nowak-Kapusta, Dorota Dobrzyn-Matusiak, Ewa Marcisz, Sylwia Krzeminska

Published in: Health and Quality of Life Outcomes | Issue 1/2018

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Abstract

Background

The aim of the present paper was the assessment of the psychometric properties of the Polish language version of the Audit of Diabetes-Dependent Quality of Life (ADDQoL) questionnaire applied in Poland among patients with type 1 (T1DM) or type 2 diabetes (T2DM).

Methods

The studies were carried out among 330 patients with diabetes including 115 with T1DM and 215 with T2DM. In all the patients the level of the quality of life was investigated using the Polish language version of the ADDQoL and the psychometric properties were determined taking into consideration internal consistency, the factor loading and intraclass correlations.

Results

It was demonstrated that the values of internal consistency determining the reliability of the Polish language version of the ADDQoL for the overall Cronbach’s alfa coefficient were 0.92 in the studied patients with T1DM and 0.93 in the studied patients with T2DM and the values of the loading factor were respectively 0.39–0.79 and 0.35–0.81. In the study of the correlation between the components of the ADDQoL the correlation coefficients proved to be highly statistically significant: in patients with T1DM r = 0.46–0.74 and in patients with T2DM – r = 0.42–0.80.

Conclusion

The Polish language version of the ADDQoL is a reliable tool useful for the assessment of the level of the quality of life of adult patients with T1DM or T2DM in Poland and is recommended to be used among Polish-speaking patients with diabetes.
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Metadata
Title
Psychometric properties of the Audit of Diabetes-Dependent Quality of Life (ADDQoL) in a population-based sample of Polish adults with type 1 and 2 diabetes
Authors
Ewelina Bak
Czeslaw Marcisz
Zofia Nowak-Kapusta
Dorota Dobrzyn-Matusiak
Ewa Marcisz
Sylwia Krzeminska
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Health and Quality of Life Outcomes / Issue 1/2018
Electronic ISSN: 1477-7525
DOI
https://doi.org/10.1186/s12955-018-0878-y

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