A Consideration of Clinical Characteristics of Non-Clinical Hoarding among Japanese Adolescents

  • Tsuchiyagaito Aki
    Graduate School of Psychological Science, Health Sciences University of Hokkaido
  • Kuromiya Ken-ichi
    Graduate School of Psychological Science, Health Sciences University of Hokkaido
  • Igarashi Toko
    Graduate School of Education, Joetsu University of Education
  • Horiuchi Satoshi
    Faculty of Social Welfare, Iwate Prefectural University
  • Ando Takeshi
    Graduate School of Psychological Science, Health Sciences University of Hokkaido Ohyachi Hospital
  • Deng Ke
    Institute of Comparative Studies of International Cultures and Societies, Kurume University
  • Kira Haruko
    Graduate School of Psychology, Kurume University
  • Tsuda Akira
    Department of Psychology, Kurume University
  • Sakano Yuji
    School of Psychological Science, Health Sciences University of Hokkaido

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Other Title
  • ためこみ傾向を有する日本の青年の臨床的特徴
  • A consideration of clinical characteristics of non-clinical hoarding among Japanese adolescents (in Japanese)

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The purpose of this study was to develop the Japanese version of the Saving Inventory-Revised (SI-R), and to examine the clinical characteristics of non-clinical hoarding among Japanese adolescents. A sample was composed of 365 undergraduate students and vocational college students. Confirmatory factor analysis indicated that a three-factor structure was the acceptable fit for the data. The Japanese version of the SI-R was considered to have good internal consistency, test-retest reliability, and validity. Also, non-clinical hoarding group and healthy control group were divided by U.S. cut-off score (SI-R total over/under 41) were compared. As a result, scores on clutter severity evaluated by a picture rating scale measuring the clutter of rooms, obsessive compulsive symptoms, trait-anxiety, depression, and impairment were significantly higher in non-clinical hoarding group. These results showed clinical characteristics of non-clinical hoarding among Japanese adolescents.

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