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01-02-2013 | Uitgave 1/2013

Journal of Behavioral Medicine 1/2013

Relationships of hardiness to physical and mental health status in military men: a test of mediated effects

Tijdschrift:
Journal of Behavioral Medicine > Uitgave 1/2013
Auteurs:
Marcus K. Taylor, Ricardo Pietrobon, John Taverniers, Matthew R. Leon, Benedict J. Fern
Belangrijke opmerkingen
Disclaimer: The views expressed in this article are those of the authors and do not necessarily reflect the official policy or position of the Department of the Navy, Department of Defense, nor the US Government. Human Research Protections/IRB statement: The study protocol was approved by the Naval Health Research Center Institutional Review Board (Sample 1) and the Naval Aerospace Medical Research Laboratory (Sample 2) in compliance with all applicable Federal regulations governing the protection of human subjects. Copyright statement: I am a military service member. This work was prepared as part of my official duties. Title 17 U.S.C. § 105 provides that ‘Copyright protection under this title is not available for any work of the United States Government.’ Title 17 U.S.C. § 101 defines a US Government work as a work prepared by a military service member or employee of the US Government as part of that person’s official duties. Distribution statement: Approved for public release; distribution is unlimited.

Abstract

Evidence links the personality trait hardiness to both mental (MH) and physical health (PH) status, but few unifying models delineate interrelationships of these variables. The first purpose of this study was to examine the association of hardiness to MH and PH in military men. Second, we tested the hypothesis that MH would mediate the association of hardiness with PH. Identical measures were collected in two separate, demographically-similar samples (n = 65 and n = 55). All subjects completed a background questionnaire, the Dispositional Resilience Scale-15 and the Short Form 36 Medical Outcomes Survey. Associations between hardiness, PH and MH were examined using regression-based mediation analyses followed by the Sobel test of indirect effects. In the total sample, hardiness predicted PH in an initial regression model (β = 0.37, p < .001). When MH was added to the model, however, PH’s influence was substantially attenuated and no longer significant (β = 0.06, p > .05). A Sobel test of significance confirmed a mediated effect (p < .001). Similar patterns were observed in each individual sample. Hardiness is associated with PH in military men, and this relationship is mediated by MH.

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