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Psychometric Properties of the Subjective Cognitive Decline Questionnaire (SCD-Q) and Its Invariance across Age Groups

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  • Carmen Moret-Tatay

    (MEB Laboratory, Faculty of Psychology, Universidad Católica de Valencia San Vicente Mártir, Avenida de la ilustración 2, 46100 Valencia, Spain)

  • Iryna Zharova

    (MEB Laboratory, Faculty of Psychology, Universidad Católica de Valencia San Vicente Mártir, Avenida de la ilustración 2, 46100 Valencia, Spain
    Faculty of Psychology, National University of Ukraine on Physical Education and Sport, Kiev. Ukraine. St. Fizkul’tury, 1, 0315 Kyiv, Ukraine)

  • Isabel Iborra-Marmolejo

    (MEB Laboratory, Faculty of Psychology, Universidad Católica de Valencia San Vicente Mártir, Avenida de la ilustración 2, 46100 Valencia, Spain)

  • Gloria Bernabé-Valero

    (MEB Laboratory, Faculty of Psychology, Universidad Católica de Valencia San Vicente Mártir, Avenida de la ilustración 2, 46100 Valencia, Spain)

  • María José Jorques-Infante

    (MEB Laboratory, Faculty of Psychology, Universidad Católica de Valencia San Vicente Mártir, Avenida de la ilustración 2, 46100 Valencia, Spain)

  • María José Beneyto-Arrojo

    (MEB Laboratory, Faculty of Psychology, Universidad Católica de Valencia San Vicente Mártir, Avenida de la ilustración 2, 46100 Valencia, Spain)

Abstract

Considering that a good sense of subjective cognitive decline seems to be crucial to prevent decline before clinical impairment, the interest in examining tools on this front were raised in the last decade. The aim of the present study is to examine the psychometric properties of the Subjective Cognitive Decline Questionnaire (SCD-Q) across age in its Spanish adaptation. It should be noted that two constructs were proposed in this context: mnestic processes and executive function factors. For this reason, a sample of 750 individuals aged from 18 to 82 years participated in the study. They were divided into three different groups: young, middle, and older adults. A confirmatory factor analysis (CFA) and invariance analysis were carried out. Moreover, a logistic regression was employed to address the role of age. The results support a good goodness of fit for both uni- and bifactorial models. The invariance analysis reached the structural covariances levels. Last, age did not predict the recognition of cognitive decline in the last two years, while the SCD-Q bifactorial model did. These results are of interest both on a theoretical level, to provide more information on models of cognitive impairment, and on a practical level, for screening.

Suggested Citation

  • Carmen Moret-Tatay & Iryna Zharova & Isabel Iborra-Marmolejo & Gloria Bernabé-Valero & María José Jorques-Infante & María José Beneyto-Arrojo, 2023. "Psychometric Properties of the Subjective Cognitive Decline Questionnaire (SCD-Q) and Its Invariance across Age Groups," IJERPH, MDPI, vol. 20(2), pages 1-9, January.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:2:p:1220-:d:1030868
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    References listed on IDEAS

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