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Related Experiment Videos

Diabetes regimen behaviors. Predicting adherence.

K D McCaul1, R E Glasgow, L C Schafer

  • 1Department of Psychology, North Dakota State University, Fargo 58105.

Medical Care
|September 1, 1987
PubMed
Summary

Psychosocial factors like self-efficacy expectations and environmental support significantly predict regimen adherence in individuals with insulin-dependent diabetes mellitus (IDDM). These insights can improve diabetes education programs.

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Area of Science:

  • Endocrinology
  • Behavioral Science
  • Public Health

Background:

  • Regimen adherence is crucial for managing insulin-dependent diabetes mellitus (IDDM).
  • Understanding psychosocial predictors can enhance adherence and patient outcomes.
  • Social Learning Theory provides a framework for exploring these predictors.

Purpose of the Study:

  • To identify psychosocial predictors of regimen adherence in adults and adolescents with IDDM.
  • To examine the roles of knowledge, expectancies, skills, and environmental support in adherence.
  • To assess the predictive power of these factors on different aspects of the IDDM regimen.

Main Methods:

  • Utilized Social Learning Theory to define four predictor categories: knowledge, expectancies, skills, and environmental support.

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  • Recruited 84 adults and 23 adolescents with IDDM, assessing predictors at two time points over 6 months.
  • Employed multimethod assessments (self-monitoring, interviews, mechanical devices) to measure adherence to insulin injections, glucose testing, diet, and exercise.

    • Main Results:

    • Expectancies (particularly self-efficacy) and environmental support were reliably associated with adherence behaviors across most regimen areas for both age groups.
    • Skills were significant predictors for adolescents but not adults.
    • Knowledge was not significantly related to adherence in either adults or adolescents.
    • Multivariate analyses confirmed expectancies as consistent predictors.
    • Psychosocial variables were stronger predictors for insulin administration and glucose testing compared to diet and exercise.

    Conclusions:

    • Self-efficacy expectations and environmental support are key psychosocial predictors of regimen adherence in IDDM.
    • Diabetes education programs should focus on enhancing these psychosocial factors to improve adherence.
    • Tailoring interventions based on age (adolescents vs. adults) may be beneficial, especially regarding skill development.