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孤独感と身体的愁訴:経験サンプリング法による研究
Martine Smeets1, Elody Hutten2, Peter Verboon2
1Department of Clinical and Medical Psychology, Zuyderland Medical Center, Sittard-Geleen, Heerlen, the Netherlands.
Journal of psychosomatic research
|January 25, 2026
まとめ
孤独感と身体的愁訴は、日常生活において同時に関連していた。しかし、状態としての孤独感も身体的愁訴も、その後の変化を予測しなかったことから、複雑で非因果的な関係が示唆される。
科学分野:
- 心理学
- 精神医学
- 行動科学
背景:
- これまでの研究では、孤独感と身体的愁訴の関連が示唆されている。
- しかし、日常生活におけるこれらの状態の方向性や時間的関係は不明なままである。
研究 の 目的:
- 状態としての孤独感と状態としての身体的愁訴の同時的および双方向の時間的関連性を調査すること。
- 経験サンプリング法を用いて、これらの関係をリアルタイムで調べること。
主な方法:
- 14日間にわたる経験サンプリング法(ESM)を利用した。
- 参加者(身体症状障害を持つ16名、一般人口27名)は、毎日10回スマートフォンのプロンプトを受け取った。
- 多レベル線形回帰モデルを用いて、状態としての孤独感と身体的愁訴を評価した。
主要な成果:
- 状態としての孤独感と状態としての身体的愁訴の間には、有意な同時関連性が認められた(B = 0.12, p < .001)。
- 時間的分析では、90分間のウィンドウにおいて、どちらの方向にも有意な予測関係は認められなかった。
- 状態としての孤独感は、その後の身体的愁訴を予測しなかった(B = 0.01, p = .573)。
- 身体的愁訴は、状態としての孤独感を予測しなかった(B = 0.02, p = .534)。
結論:
- 日常生活の経験から、孤独感と身体的愁訴の間に同時関連性が明らかになった。
- 本研究では、短期的なこれらの状態間の因果関係または予測関係の証拠は見つからなかった。
- 孤独感と身体症状の複雑なつながりを完全に理解するには、さらなる研究が必要である。
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