Coronary-prone behavior among Japanese men

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.