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Related Experiment Videos

Locus of control and metabolic control

C Reynaert1, P Janne, J Donckier

  • 1Psychosomatic Medicine Unit, Cliniques Universitaires de Mont-Godinne, Catholic University of Louvain, Yvoir, Belgium.

Diabete & Metabolisme
|June 1, 1995
PubMed
Summary

Internal locus of control is linked to better metabolic control in type I diabetes patients. This association holds even with less disease knowledge and lower self-monitoring of blood glucose (SMBG).

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Area of Science:

  • Endocrinology
  • Behavioral Medicine
  • Psychology

Background:

  • The relationship between metabolic control and locus of control in diabetic patients remains controversial.
  • Understanding the influence of locus of control on diabetes management is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the link between internal locus of control and improved metabolic control in type I and type II diabetes.
  • To explore whether behavioral factors like disease knowledge and compliance mediate this relationship.
  • To assess the impact of locus of control on diabetes knowledge, self-monitoring of blood glucose (SMBG), and HbA1 levels.

Main Methods:

  • Sixty-one insulin-treated patients (36 type I, 25 type II) were assessed using Rotter and Wallston locus of control questionnaires.

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  • Diabetes knowledge, SMBG frequency (as a compliance measure), and HbA1 levels (as a metabolic control indicator) were evaluated.
  • Statistical analyses compared metabolic control parameters based on locus of control types.

    • Main Results:

    • Type I diabetic patients with an internal locus of control demonstrated significantly better metabolic control (HbA1 levels) compared to "externals" (p < 0.05).
    • This improved metabolic control in type I "internals" was observed despite lower diabetes knowledge (p < 0.01) and less frequent SMBG (p < 0.05).
    • The metabolic benefits of internality were diminished when locus of control was extremely internal.

    Conclusions:

    • An internal locus of control is associated with better metabolic control in type I diabetes, independent of knowledge and SMBG frequency.
    • The findings suggest a complex interplay between locus of control, behavior, and metabolic outcomes in diabetes management.
    • Further research is needed to understand the nuances of extreme internality and its impact on diabetes control.