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Related Experiment Videos

Type A behavior and cancer mortality. Theoretical considerations and preliminary data.

B H Fox, D R Ragland, R J Brand

    Annals of the New York Academy of Sciences
    |January 1, 1987
    PubMed
    Summary

    This study explored the link between personality types and cancer mortality. While not definitive, preliminary findings suggest Type A individuals may have a slightly higher cancer mortality rate than Type B individuals.

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    Area of Science:

    • Psychoneuroimmunology
    • Behavioral Medicine
    • Cancer Epidemiology

    Background:

    • Stress and cancer are potentially linked through immune system responses.
    • Personality traits, specifically Type A and Type B behavior patterns, may influence coping mechanisms and health outcomes.
    • Previous research suggests a possible connection between personality and cancer prognosis, with some hypotheses pointing to specific subgroups.

    Purpose of the Study:

    • To investigate the association between Type A/B behavior patterns and cancer mortality.
    • To explore the role of the immune system in the relationship between stress, coping failure, and cancer development.
    • To examine if personality types predict cancer mortality rates.

    Main Methods:

    • A preliminary cohort study involving 3154 men from the Western Collaborative Group Study (WCGS).

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  • Analysis of cancer mortality rates between 1960-1977 and a follow-up to mid-1983.
  • Statistical control for confounding factors including age, smoking, cholesterol, blood pressure, and education.

    • Main Results:

    • The cancer mortality rate was 0.037 for Type A subjects and 0.025 for Type B subjects (odds ratio 1.55).
    • After controlling for covariates, the odds ratio slightly decreased to 1.29 (95% CI = 0.84-1.96).
    • Preliminary follow-up data indicated a similar trend, suggesting Type A individuals might have a higher cancer mortality risk.

    Conclusions:

    • The study found a slight, though not strongly significant, association suggesting Type A behavior pattern may be linked to higher cancer mortality.
    • The findings warrant further investigation into the complex relationship between personality, stress, immune function, and cancer.
    • Alternative hypotheses, such as a 'Type C' personality associated with poor prognosis, require further exploration.