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Socioeconomic Status, Control Beliefs, Allostatic Load, and Frailty – A Moderated Mediation Model

Falys, Clara
(2020)

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Falys_31491400_2020.pdf
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Details

Supervisors
Agrigoroaei, Stefan
Faculty
Faculté de psychologie, logopédie, sexologie et des sciences de la famille
Degree label
Master [120] en sciences psychologiques
Abstract
Socioeconomic status is the psychosocial variable most associated with mortality. Some studies have therefore looked at its link with frailty and found correlations between these two variables. However, the nature of these links has been little explored. This study, therefore, attempts to understand a little more precisely the way this relation unfolds via a moderated mediation model. Allostatic load appeared to be a good mediator of this relation since it is a good predictor of frailty and is strongly influenced by socioeconomic status. The level of control beliefs being associated with these three variables seemed to be a good moderator of the direct and indirect relation of this mediation. The data used in this study came from the Midlife in the United States (MIDUS) national survey, a major interdisciplinary survey on lifelong health. Frailty and allostatic load were calculated based on physiological data from MIDUS participants. Control beliefs, as well as socioeconomic status, were measured based on self-reported questionnaires. The results of this study are insignificant, but they do shed light on some particularities of the link between socioeconomic status and frailty. The latter becomes less significant as soon as variables that are also correlated with frailty are included in the model. The link between socioeconomic status and frailty is not as robust as hoped. Future research should attempt to understand better how this relation is altered in the presence of other indicators.