Validation of the Polish version of the Assessment of Quality of Life questionnaire (AQoL-6D) in the elderly population

Abstract

Abstract Introduction: The Assessment of Quality of Life 6-Dimension (AQoL-6D) is a questionnaire that was developed to examine the quality of life related to health. Aims: The aim of the study was to translate, cultivate and validate the Polish language version of the AQoL-6D questionnaire. Material and methods: The study was conducted among a group of 103 subjects above the age of 65 who agreed to take part in the trial. The group included 50 seniors with mild to moderate dementia and 53 seniors without dementia. The snowball method was used for the selection of the sample. All respondents lived in the following voivodeships: Podkarpackie and Śląskie. The participants completed the paper version of the AQoL-6D questionnaire once. The research was carried out in September 2019. Results: Alpha Cronbach’s reliability coefficients (α) in the Polish language version was α = 0.98, which means that a very high level of internal compliance was noted. Such a high value of the coefficient, as well as very high values of discriminatory power (i.e. the correlation of the item with the overall result), indicate that these items are almost identical to the overall result. The assessment of relevance in the area of factor structure was ambiguous. Conclusions: The proposed Polish language version of the Assessment of Quality of Life 6-Dimension (AQoL-6D) questionnaire performs the function of assessing quality of life-related to health. It must be indicated that the overall test result is analysed. The use of subscales is unfounded, as demonstrated by statistical analyses.

Keywords

• quality of life
• health
• seniors
• dementia