Factor Analysis of the Japanese Version of the Aging Males' Symptoms Rating Scale

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  • Kobayashi, Ko
    The Department of Urology, Sapporo Medical University School of Medicine
  • Kato, Ryuichi
    The Department of Urology, Sapporo Medical University School of Medicine
  • Hashimoto, Kohei
    The Department of Urology, Sapporo Medical University School of Medicine
  • Hisasue, Shin-ichi
    The Department of Urology, Sapporo Medical University School of Medicine
  • Yamashita, Shinichi
    The Department of Urology, Sapporo Medical University School of Medicine
  • Tanaka, Toshiaki
    The Department of Urology, Sapporo Medical University School of Medicine
  • Maeda, Toshihiro
    The Department of Urology, Sapporo Medical University School of Medicine
  • Fukuta, Fumimasa
    The Department of Urology, Sapporo Medical University School of Medicine
  • Masumori, Naoya
    The Department of Urology, Sapporo Medical University School of Medicine
  • Itoh, Naoki
    The Department of Urology, NTT East Japan Sapporo Hospital
  • Hirose, Takaoki
    The Department of Urology, Hokkaido Social Insurance Hospital
  • Mori, Mitsuru
    The Department of Public Health, Sapporo Medical University School of Medicine
  • Tsukamoto, Taiji
    The Department of Urology, Sapporo Medical University School of Medicine

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Other Title
  • Aging males' symptoms (AMS)スコアの因子分析
  • Aging males symptoms AMS スコア ノ インシ ブンセキ

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Abstract

We aimed to validate the Japanese version of the Aging Males' Symptoms rating scale (JPN-AMS) by using factor analysis. The study included 155 normal men 40 years old and older, and 116 patients who visited our clinic with complaints of aging males' symptoms. Participants self-administered the JPN-AMS. Factor analysis was done to confirm the internal structure of the questionnaire. We found three items that were not among the factors in the original Aging Males' Symptoms rating scale in normal men and seven items that were not the factors in the original scale in the patients who had a serum free testosterone level below 8.5 pg/ml. In particular, 5 of the 7 somatic items seemed not to be associated with the somatic factor. In conclusion, the factor analysis provided a confirmation of the internal structure of the JPN-AMS. We have to be aware of the different internal structure of the JPN-AMS for the Japanese patients with late-onset hypogonadism. Therefore, we should take care to use the JPN-AMS, as there are cultural differences among countries.

Journal

  • Hinyokika Kiyo

    Hinyokika Kiyo 55 (8), 475-478, 2009-08

    泌尿器科紀要刊行会

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