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A factor analytic study of physical risk variables for CHD.

L Wright1, J Carbonari, W Voyles

  • 1Department of Psychology, University of Oklahoma, Norman 73019-0535.

Journal of Clinical Psychology
|March 1, 1992
PubMed
Summary

This study explored coronary heart disease (CHD) risk factors in male patients. Findings suggest physical risk factors may stem from a single behavioral trait: lack of self-control.

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Area of Science:

  • Cardiology
  • Behavioral Science
  • Biostatistics

Background:

  • Coronary heart disease (CHD) is a significant health concern.
  • Traditional risk factors for CHD include family history, smoking, and lifestyle choices.
  • Understanding the underlying structure of these risk factors is crucial for effective prevention.

Purpose of the Study:

  • To investigate the factor structure of seven commonly assessed CHD risk factors in hospitalized male patients.
  • To determine if these risk factors can be explained by a limited number of underlying factors.

Main Methods:

  • Confirmatory factor analysis was performed on data from 40 hospitalized male CHD patients.
  • LISREL software was utilized to test a proposed two-factor model.
  • The model included family history as one factor and several physical/behavioral factors as the second.

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Main Results:

  • A two-factor solution demonstrated a moderately valid fit (goodness-of-fit index = .84).
  • This suggests that family history and a cluster of physical risk factors may be related.
  • The findings indicate a potential unifying behavioral characteristic underlying these risks.

Conclusions:

  • The study proposes that physical CHD risk factors might be manifestations of a singular behavioral characteristic, potentially 'lack of self-control'.
  • This challenges the independent nature of some physical risk factors.
  • Further research is warranted to explore the behavioral underpinnings of CHD risk.