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  1. Home
  3. Characterizing Mechanisms Of A Theory-underpinning Mhealth Multicomponent Supportive Program For Adult Children Caregivers Of Community-dwelling Frail Older Adults (hi-care): A Randomized Clinical Trial.
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  3. Characterizing Mechanisms Of A Theory-underpinning Mhealth Multicomponent Supportive Program For Adult Children Caregivers Of Community-dwelling Frail Older Adults (hi-care): A Randomized Clinical Trial.

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Characterizing mechanisms of a theory-underpinning mHealth multicomponent supportive program for adult children

Wendie Zhou1, Na Gao2, Suping Wei3

  • 1School of Nursing, Peking University, Beijing, China.

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|November 24, 2025

View abstract on PubMed

Summary
This summary is machine-generated.
Keywords:
CaregiverFrailtyMechanismMental healthmHealth intervention

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The Hi-Care mHealth program improved mental well-being for family caregivers by enhancing mastery and social support, reducing depressive and anxiety symptoms. These factors are key mechanisms for improving caregiver mental health.

Area of Science:

  • Gerontology
  • Digital Health
  • Mental Health Research

Background:

  • Family caregivers of frail older adults face significant stress and mental health challenges.
  • Existing support systems may not adequately address these needs.
  • The Stress Process Model (SPM) provides a framework for understanding caregiver burden.

Purpose of the Study:

  • To evaluate the effectiveness of the Hi-Care mHealth program on adult children caregivers' mental well-being.
  • To explore the mediating and moderating roles of psychological factors in the intervention's impact.
  • To identify mechanisms through which the intervention promotes mental health.

Main Methods:

  • A 3-month randomized controlled trial (RCT) involving 136 adult children caregivers.
  • Intervention group received the Hi-Care program; control group received usual care.
  • Assessed mental health outcomes, mediators (mastery, competence), and moderators (social support, coping) at baseline, post-intervention, and follow-up.

    • Main Results:

    • The Hi-Care group showed significant improvements in mastery, social support, and reduced depressive and anxiety symptoms compared to usual care.
    • Mastery mediated the intervention's positive effects on mental health outcomes.
    • Social support moderated the relationship between mastery and intervention outcomes, with objective support being particularly beneficial.

    Conclusions:

    • The Hi-Care mHealth program effectively enhances mental well-being in family caregivers.
    • Mastery, social support, and coping strategies are crucial mechanisms for intervention success.
    • Findings inform the development of targeted digital health interventions for caregiver support.