健康調査票THIの妥当性の検討 : 第2報 心身症患者の判別診断のための評価方法
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概要
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The Todai Health Index, THI, was developed as a general health questionnaire by S. Aoki et al. in 1974. It consists of 130 questions. Twelve scale scores and three discriminant scores are available for use in evaluation.In this experiment, several methods for discrimination of psychosomatic diseases were investigated. Fifty psychosomatic disease patients (PSDs) and sex-age matched 250 controls were used as subjects.The results were as follows:1) Using discriminant analysis, seven scale scores were selected. With this function, the correct ratios were 82.0%, 81.6% and 81.7% for PSDs, controls and totals, respectively.2) Using the Quantification Theory, Type II, each three answer choices for nine of the questions were quantified. The relationship between psychosomatic diseases and subjective complaints was nonlinear. The correct ratios were 82.0%, 92.0% and 90.3% for PSDs, controls and totals, respectively.3) Using the Quantification Theory, Type III, and following the procedure for Type II, three choices for nine of the questions ranked in order of the seriousness of the subjective complaints were graphed on the first axis. A choice indicating a “medium degree” was assigned a negative value, and choices indicating a “high degree” or a “low degree” were assigned positive values on the second axis. Therefore, the graph of the three choices had a “V-shape”. The correct ratios were 72.0%, 92.0% and 88.7% for PSDs, controls and totals, respectively.4) The above three evaluation methods were applied to 94 other cases. Four out of five cases, where doctors gave their comments, and in 32 out of 36 cases, where there were no comments from doctors, were judged correctly using the above three methods of evaluation.
- 日本衛生学会の論文