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Psychometric Properties Of The Persian Version Of The Memory Impact Questionnaire In Older Adults

Authors Ebadi A, Ebtekar F, Parizad N, Afkhamzadeh A, Dalvand S, Ghanei Gheshlagh R

Received 12 September 2019

Accepted for publication 1 November 2019

Published 14 November 2019 Volume 2019:15 Pages 3197—3204

DOI https://doi.org/10.2147/NDT.S230823

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Mr Davin Leif

Peer reviewer comments 2

Editor who approved publication: Dr Roger Pinder


Abbas Ebadi,1 Fariba Ebtekar,2 Naser Parizad,3 Abdorrahim Afkhamzadeh,4 Sahar Dalvand,5 Reza Ghanei Gheshlagh4

1Behavioral Sciences Research Center, Life-Style Institute, Faculty of Nursing, Baqiyatallah University of Medical Sciences, Teheran, Iran; 2Department of Midwifery, Faculty of Nursing and Midwifery, Kurdistan University of Medical Sciences, Sanandaj, Iran; 3Department of Medical-Surgical Nursing, School of Nursing and Midwifery, Urmia University of Medical Sciences, Urmia, Iran; 4Social Determinants of Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran; 5Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Correspondence: Reza Ghanei Gheshlagh
Social Determinants of Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj 575611-5111, Iran
Tel +98 9144050284
Fax +98 36235450
Email rezaghanei30@yahoo.com

Background and aim: Memory impairment in the elderly has a high prevalence and can affect their performance, interactions and quality of life. A valid and reliable questionnaire is required to investigate the changes in the memory of the elderly. The aim of this study was to investigate the psychometric properties of the Persian version of the Memory Impact Questionnaire (MIQ) in the elderly.
Methods: In this methodological study, 361 elderly people (181 people for exploratory factor analysis and 180 people for confirmatory factor analysis) were selected via convenience sampling. This questionnaire was translated based on the World Health Organization’s (WHO) guidelines. Construct validities were assessed through exploratory and confirmatory factor analyses. Its reliability was also assessed using Cronbach’s alpha coefficient.
Results: In the exploratory factor analysis, three factors of lifestyle restrictions, positive coping, and negative emotion were extracted that were able to explain 54.04% of the total variance of the impact of memory change in the elderly. Confirmatory factor analysis confirmed the goodness of fit of the three-factor model of MIQ (RMSEA: 0.083; GFI: 0.97; NFI: 0.94; IFI: 0.97; PNFI: 0.86; AGFI: 0.75). The reliability of the “lifestyle restrictions”, “negative emotion” and “positive coping” factors was found to be 0.89, 0.74, and 0.67, respectively, using Cronbach’s alpha coefficient.
Conclusion: The Persian version of the MIQ is simple and practical and has acceptable reliability and validity that can be used to measure memory changes in the Iranian elderly.

Keywords: psychometrics, elderly, memory


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