A Study of Japanese Coronary-prone Personality of Ischemic Heart Disease by Using a Broad Spectrum : Inventory System(JMI)

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  • JMI健康調査票による本邦虚血性心疾患患者の性格特性に関する研究
  • JMI ケンコウ チョウサヒョウ ニ ヨル ホンポウキョケツセイ シンシッカン カンジャ ノ セイカク トクセイ ニ カンスル ケンキュウ

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Abstract

Our studies attempted to assess coronary-prone personality in Japan by using a broad spectrum inventory system, Japan Mental Health Inventory(JMI). JMI was administered to 79 middle aged males with ischemic heart disease and 147 healthy male workers. JMI is a questionnaire with 596-items which is based on four scales comprising body scale, mental scale, personality scale and work environment scale. First, factor analysis was performed on particular terms of JMI that had different answer percentages between the ischemic heart disease group and the reference group. Secondly, discriminant analysis was performed. Lastly, cross-validation was done with other samples of 64 patients with ischemic heart disease and 927 healthy male businessmen. We found 10 factors that were useful for discriminating between the two groups. Especially, anger-hostility and impatience factors which replicate the factors of type A behavior pattern gained higher discriminant function loading. However, the factor of adaptation to work was lower in the ischemic heart disease group. This finding was inconsistent with other Japanese studies presented in this field.

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