Cited by 23Mindfulness and Compassion InterventionsAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPsychotherapy Techniques and Applications

Mindfulness-Based Cognitive Therapy for Late-Life Depression: a Randomised Controlled Trial

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Shih, Vivian WY, Chan, Wai-Chi, Tai, On-Ki, Wong, Hau-Lam, Cheng, Calvin PW, Wong, Corine SM·2021·East Asian Archives of Psychiatry

Abstract

BACKGROUND: Rumination and overgeneral autobiographical memory are dysfunctional cognitions commonly found in older adults with depression. The theoretical underpinnings of mindfulness-based cognitive therapy (MBCT) address the ruminative tendencies and the non-specific retrieval of autobiographical memories. This study aims to examine the efficacy and cognitive mechanisms of MBCT in older adults with active depressive symptoms. METHODS: 57 older adults (mean age, 70 years) with normal cognition and mild to moderate depressive symptoms were randomly allocated to either the MBCT group or the active control group for 8 weeks. The MBCT group consisted of eight 2-hour weekly sessions and a 7-hour full-day retreat, with different themes for each class, guided mindfulness exercises, feedback and discussion, homework review, and psychoeducation. The active control group comprised a 1-hour physical exercise and a standardised health education of the specific theme with group discussion (eg fall prevention, chronic pain). Participants were assessed before and after the 8-week intervention for four outcome measures: the Hamilton Depression Rating Scale (HAMD), the Ruminative Response Scale (RRS), the Autobiographical Memory Test (AMT), and the Mindful Attention Awareness Scale (MAAS). RESULTS: = 0.24), but only the MBCT group showed substantial improvements in autobiographical memory specificity (AMT score), rumination (RRS score), and mindfulness (MAAS score). CONCLUSION: Although both MBCT and active control programme decrease the severity of depressive symptoms in older adults, only MBCT improves AMS, rumination, and mindfulness. Our findings provide empirical support for the theoretical underpinnings of MBCT. Older adults with more severe depression and more severe dysfunctional cognition may benefit more from the specific therapeutic effects of MBCT.

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  • A minimum of 84 participants is needed to detect a small-to-medium effect size (Cohen's d = 0.40/f = 0.20) with 80% power and 5% significance for three arms over three timepoints.

    “Based on previous literature on the effectiveness of MBIs [54, 55], assuming a small-to-medium effect size (Cohen’s d = 0.40/f = 0.20), 80% power, and 5% significance level, a minimum of 84 participants is needed to elicit changes for three arms over three timepoints.”

    From Effectiveness of an age-modified mindfulness-based cognitive therapy (MBCT) in improving mental health in older people with depressive symptoms: a non-randomised controlled trial. (2025) · cites this paper as [54]

    The Methods section (page not provided) describes a two-arm, two-timepoint design and calculates a required sample of 54 participants, not 84, at 80% power and 5% significance. It does not use the claimed Cohen’s d = 0.40/f = 0.20 assumption. (LLM, conf=0.89)

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Research works printed but not linked: 1

  1. Craik FI, Simon E. Age differences in memory: the roles of attention and depth of processing in new directions in memory and aging. Talland Memorial Conference 1980:95-112.

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Authors
Shih, V. W., Chan, W.-C., Tai, O.-K., Wong, H.-L., Cheng, C. P., & Wong, C. S.
Affiliations
  • University of Hong Kong (HK)
  • Department of Psychiatry, LKS Faculty of Medicine, The University of Hong Kong
Venue
East Asian Archives of Psychiatry
Published
2021-06-07
Volume
31
Issue
2
Pages
27-35
ISSN
2078-9947 (ISSN-L)
OpenAlex
W3173605364
Cited by
23
References
46
Citations by year
2026: 5 · 2025: 4 · 2024: 6 · 2023: 3 · 2022: 5
FWCI
2.39
Type
journal article
Language
en
Open access
Locations
  • East Asian Archives of Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Social Sciences › Psychology › Clinical Psychology › Psychotherapy Techniques and Applications
Keywords
mindfulness-based cognitive therapy, geriatric depression, older adults, rumination, autobiographical memory specificity, overgeneral autobiographical memory, mindfulness, depressive symptoms, cognitive mechanisms
MeSH terms
Aged, Depression, Humans, Psychotherapy, Group, Cognitive Behavioral Therapy, Treatment Outcome, Mindfulness

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