親しい友人に手を貸すことは高齢者の日々の気分を高める(Lending a hand to close friends boosts daily mood in older adults)

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2025-10-15 ミシガン大学

ミシガン大学の研究チームは、高齢者が親しい友人を助ける行為が、その日の気分を向上させることを実証した。平均年齢74歳の男女180人を対象に、5~6日間にわたり1日8回のスマートフォン調査を行い、その時点の気分と友人への支援行動を記録・分析した。その結果、掃除や買い物などの「実際的支援」を行った日は、正の気分が有意に上昇し、孤独感が減少することが確認された。一方で、感情的支援を行った場合は一部の男性で気分低下が見られた。研究者は、友情は自発的な関係であり、支援行動は社会的つながりを再確認することで幸福感を高めると指摘。特に高齢期では、友人との相互的な助け合いが心の健康を保つ鍵になると結論づけた。成果は『The Gerontologist』誌に掲載。

親しい友人に手を貸すことは高齢者の日々の気分を高める(Lending a hand to close friends boosts daily mood in older adults)

<関連情報>

高齢男女の親しい友人への日常的なサポートと気分 Daily Support to Close Friends and Mood Among Older Men and Women

Yee To Ng, William J. Chopik, […], and Karen L. Fingerman
Research on Aging  Published:September 26, 2025
DOI:https://doi.org/10.1177/01640275251383546

Abstract

Support provision may enhance older adults’ well-being. Yet support for friends, a voluntary and socially engaging behavior, remains relatively understudied. This study examines daily support to close friends and its within-person links to mood, focusing on gender differences. Older adults (n = 180, Mean age = 74.02, 57% female) completed 5–6 days of ecological momentary assessments, reporting on their positive and negative mood every 3 hours and support exchanges daily. Emotional support to friends being most common, followed by advice and practical help. Findings showed men were less likely than women to provide emotional support to friends. Older adults experienced greater positive mood on days they provided practical support. Men experienced lower positive mood on days they provided emotional support, a pattern not observed in women. Findings highlight gender differences in helping close friends, suggesting potential emotional costs for older men in providing emotional support.

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