Participant Characteristics Associated With Loneliness Reduction During a Digital Social Robot Intervention Among Older Adults Living Alone in Japan: Secondary Analysis of a Randomized Controlled Trial - Takeaways - MDSpire
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Participant Factors Linked to Reduced Loneliness in Older Japanese Adults Living Alone During a Digital Social Robot Intervention: Secondary Analysis of a Randomized Controlled Trial

  • By

  • Hiroshi Murayama

  • Mai Takase

  • October 16, 2026

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  • 1

    This secondary analysis examined participant characteristics associated with loneliness changes during a 4-week digital social robot intervention.

  • 2

    The analysis included 67 community-dwelling Japanese adults aged 65 years or older who lived alone and reported loneliness.

  • 3

    Participants received personalized, around-the-clock voice communication through an operator-mediated humanoid robot.

  • 4

    Loneliness change was measured with the 20-item UCLA Loneliness Scale, with negative preintervention-to-postintervention differences indicating reduced loneliness.

  • 5

    Regression models assessed associations of preintervention social contact and loneliness, participant characteristics, and intervention sequence with loneliness change.

Original Source(s)

Participant Characteristics Associated With Loneliness Reduction During a Digital Social Robot Intervention Among Older Adults Living Alone in Japan: Secondary Analysis of a Randomized Controlled Trial

  • by Hiroshi Murayama, Mai Takase

  • October 16, 2026

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