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Cardiovascular changes at work: relation with some individual risk factors

L Mincheva1, I Hadjiolova, C Deyanov

  • 1National Centre of Hygiene, Ecology and Nutrition, Sofia, Bulgaria.

Reviews on Environmental Health
|January 1, 1994
PubMed
Summary

Individual characteristics like neuroticism and Type A behavior significantly influence heart rate (HR) reactivity during work. Behavioral modification is recommended to mitigate cardiovascular risks associated with stress and individual patterns.

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Area of Science:

  • Cardiovascular Physiology
  • Occupational Health
  • Behavioral Science

Background:

  • Heart rate (HR) acceleration is a key cardiovascular response to occupational stress.
  • This response can be modulated by individual behavioral factors beyond the work demands themselves.

Purpose of the Study:

  • To examine how individual characteristics influence HR reactivity during work and rest.
  • To identify significant determinants of HR during occupational stress.

Main Methods:

  • Sixty-nine males from high-stress occupations (e.g., air traffic controllers, managers) participated.
  • ECG Holter monitoring recorded HR throughout the working day.
  • Multiple regression analysis evaluated predictors of HR at work.

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Main Results:

  • Neuroticism and Type A behavior pattern were the most significant determinants, explaining 23% of HR variation during work.
  • Age and leisure time physical activity offered minor additional predictive value (up to 25% combined).
  • HR at rest was also a significant predictor in the model.

Conclusions:

  • Psychological factors like neuroticism and Type A behavior are crucial in modulating cardiovascular stress responses.
  • Preventive strategies focusing on behavioral modification are advised to reduce cardiovascular risks.
  • Understanding individual differences is key to managing occupational stress impacts on heart rate.