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Gepubliceerd in: Journal of Behavioral Medicine 1/2009

01-02-2009

The interaction of locus of control, self-efficacy, and outcome expectancy in relation to HbA1c in medically underserved individuals with type 2 diabetes

Auteurs: Erin L. O’Hea, Simon Moon, Karen B. Grothe, Edwin Boudreaux, Jamie S. Bodenlos, Kenneth Wallston, Phillip J. Brantley

Gepubliceerd in: Journal of Behavioral Medicine | Uitgave 1/2009

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Abstract

A common thread among health behavior theories is the importance of perceived control, often defined within the health psychology literature as locus of control. Inconsistencies have been found regarding the role of locus of control in predicting health behaviors. These inconsistencies may be resolved by exploring interactions between internal locus of control and other perceived control constructs such as self-efficacy and outcome expectancy. The present study tested the interaction of internal locus of control, self-efficacy and outcome expectancy in relation to HbA1c in patients with Type 2 diabetes. One hundred and nine medical patients who were diagnosed with Type 2 diabetes, predominantly from an African American as well as disadvantaged background, participated in the study. HbA1c was used to indicate gradations of medical regimen adherence. A three way interaction among the perceived control measures was related to HbA1c. Patients who reported low self-efficacy and low outcome expectancy tended to benefit the most from high internal locus of control. However, for patients with low self-efficacy and high outcome expectancy, higher scores on internal locus of control were related to poorer HbA1c levels. Future research examining perceived control constructs may benefit from investigating the interacting effects of such variables when evaluating health behaviors.
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Metagegevens
Titel
The interaction of locus of control, self-efficacy, and outcome expectancy in relation to HbA1c in medically underserved individuals with type 2 diabetes
Auteurs
Erin L. O’Hea
Simon Moon
Karen B. Grothe
Edwin Boudreaux
Jamie S. Bodenlos
Kenneth Wallston
Phillip J. Brantley
Publicatiedatum
01-02-2009
Uitgeverij
Springer US
Gepubliceerd in
Journal of Behavioral Medicine / Uitgave 1/2009
Print ISSN: 0160-7715
Elektronisch ISSN: 1573-3521
DOI
https://doi.org/10.1007/s10865-008-9188-x

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