ハイリスク乳幼児の気質特徴に関する研究 : 奈良県立医科大学附属病院新生児集中治療部で管理を受けた34例の3歳時点での評価

Abstract

The purpose of this study was to assess temperamental characteristics at 36 months of age of high risk infants, and to clarify the relationship between temperamental characteristics and risk factors. Subjects were 34 infants, at 36 months of age, who had been admitted to the Neonatal Intensive Care Unit (NICU) at Nara Medical University Hospital. They were assessed for risk factors, developmental quotient (DQ) and home environment estimated by Japanese Home Screening Questionnaire (JHSQ). Temperamental characteristics were assessed by using the Japanese edition of Toddler Temperament Scale. The results were as follows: (1) In comparison with the normal control group, the high risk group showed higher category scores of approach, adaptability, intensity and persistence, but showed lower category scores of threshold. The prevalence of the difficult child was relatively higher, and that of the easy child was lower in the high risk group. (2) In any of the risk factors, maternal occupation, life with grandparents, socioeconomic status, hereditary tendency of mental disorder, problems of paments' personalities, problems of maternal past illriess, stress, birth weight, toxemia of pregnancy, abnormality of amniotic fluid, neonatal pulmonary disease, neonatal heart disease, neonatal anemia and neonatal hypoglycemia had an influence on the temperament scores in the high risk group. (3) DQc orrelated with category scores of adaptability, persistence, and threshold. (4) Home environment of subjects correlated with category score of intensity.