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Coronary-prone behavior among Japanese men

Reiko Hori1, Junichiro Hayano, Hirokazu Monou

  • 1Department of Health and Psychosocial Medicine, Aichi Medical University, School of Medicine, Nagakute-cho, Japan. rhori@aichi-med-u.ac.jp

Circulation Journal : Official Journal of the Japanese Circulation Society
|January 28, 2003
PubMed

Insights

Scale C, a subscale of the Japanese Coronary-prone Behavior Scale (JCBS), is independently associated with coronary artery disease (CAD) in Japanese men. This finding was validated in a new population undergoing coronary angiography (CAG).

Area of Science:

  • Cardiology
  • Psychosomatic Medicine
  • Behavioral Science

Background:

  • The Japanese Coronary-prone Behavior Scale (JCBS) was developed to assess coronary-prone behavior in Japanese men.
  • A 9-item subscale, Scale C, was previously identified as independently associated with coronary artery disease (CAD).
  • Scale C reflects a job-centered lifestyle, social dominance, and suppressed overt Type A behavior.

Purpose of the Study:

  • To validate the association between Scale C and the presence of CAD in a newly sampled population of Japanese men.
  • To confirm if Scale C is an independent predictor of CAD, even after accounting for established risk factors.

Main Methods:

  • The study involved 311 Japanese men undergoing coronary angiography (CAG).
  • The Japanese Coronary-prone Behavior Scale (JCBS) was administered to participants.
  • Logistic regression analysis, including established coronary risk factors, was used to evaluate the association between Scale C scores and CAD presence.

Main Results:

  • Scale C scores were significantly higher in subjects with CAD compared to those without.
  • Stepwise multivariate logistic regression confirmed that Scale C scores were independently associated with CAD.
  • This association remained significant even after adjusting for age, low-density lipoprotein cholesterol, diabetes mellitus, and obesity.

Conclusions:

  • The Scale C score is independently associated with the presence of coronary artery disease (CAD) in Japanese men undergoing coronary angiography (CAG).
  • These findings confirm the validity of Scale C in a new population sample.
  • Scale C may represent a crucial behavioral component linked to coronary-prone behavior in Japanese men.

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