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目的:探讨D型人格影响冠心病发生的心理机制.方法:采用D型人格问卷、抑郁自评问卷、焦虑自评问卷和社会支持问卷测量146名冠心病患者和145名健康被试.结果:①D型人格在冠心病人群中的分布率显著大于在非冠心病人群中的分布,D型人格是冠心病发生的显著预测因子.②D型人格者的抑郁和焦虑显著高于非D型人格者,而社会支持水平显著低于非D型人格者.③抑郁、焦虑和社会支持在D型人格与冠心病发生之间发挥中介效应.结论:D型人格可能促使冠心病的发生,但这一过程通过抑郁、焦虑和社会支持等中介变量起作用.“,”Objective: To examine the effect mechanisms of the psychological factors(anxiety,depression and social support) in the relationship of Type D personality and CHD.Methods: 146 elderly patients with CHD and 145 elderly health control subjects were included.The Structural Equation Model was used to analyze the mediating effect of anxiety,depression and social support.Results: ①The distribution of Type D personality in CHD patients(52.74%) was higher than in health control group(20.00%).Type D personality had a significant prediction for the onset of CHD.②Compared to the non-Type D,the Type D experienced higher depression and anxiety,but lower social support.③Anxiety,depression and social support played an intermediary role in the relationship between type D personality and the onset of CHD.Conclusion: Type D behavior could induce the onset of CHD,but the occurrence of this should have the mediating effect of anxiety,depression,and social support varances.