Translation and Psychometric Evaluation of the Turkish Version of the Motivation to Change Lifestyle for Dementia Risk Reduction Scale (T-MOCHAD-10)


AKYOL M. A., KÜÇÜKGÜÇLÜ Ö., AKPINAR SÖYLEMEZ B., Saglam B., Oliveira D.

EUROPEAN JOURNAL OF PSYCHIATRY, vol.36, no.4, pp.252-259, 2022 (SSCI) identifier

  • Publication Type: Article / Article
  • Volume: 36 Issue: 4
  • Publication Date: 2022
  • Doi Number: 10.1016/j.ejpsy.2022.03.004
  • Journal Name: EUROPEAN JOURNAL OF PSYCHIATRY
  • Journal Indexes: Social Sciences Citation Index (SSCI), Scopus, ASSIA, BIOSIS, EMBASE, Psycinfo, DIALNET
  • Page Numbers: pp.252-259
  • Keywords: Dementia, Lifestyle, Motivation, Psychometrics, Risk Reduction Behavior, HEALTH, RELIABILITY, INSTRUMENTS, VALIDATION, CRITERIA
  • Dokuz Eylül University Affiliated: Yes

Abstract

Background and Objectives: The number of people living with dementia is increasing globally, particularly in middle-income countries like Turkey. To reduce risk of dementia, the implementa-tion of lifestyle changes targeting modifiable risk factors are important. This study aimed to translate and validate the Turkish version of the Motivation to Change Lifestyle for Dementia Risk Reduction (T-MOCHAD-10).Methods: Cross-sectional psychometric study design was used. After translation and back trans-lation, we assessed face and content validity. For construct validation and reliability assessment, we conducted a survey with 601 individuals aged 40 and above using a socio-demographic form and the T-MOCHAD-10. We used Exploratory Principal Axis Factoring with Oblimin rotation to explore the factor structure. We then confirmed the factor structure using fit indices. Reliability was established using test-re-test, Cronbach's alpha coefficient, item-total and item-subdimen-sions correlations, ceiling and floor effects, and the Hotelling's T-squared test.Results: The T-MOCHAD-10 showed adequate face and content validity (Kendall W=0.09, p=0.60). As in the original scale, a two-factor solution was obtained. All fit indices were >= 0.95, and RMSEA was 0.06. A Cronbach's alpha of 0.79 was obtained and no significant differences were found between test and re-test measures (p>0.05). We found no evidence of ceiling or floor effects, nor response bias (Hotelling's T-squared=4683.80, p<0.001).