Effect of animal-assisted interventions on depression, agitation and quality of life in nursing home residents suffering from cognitive impairment or dementia: a cluster randomized controlled trial

Christine Olsen*, Ingeborg Pedersen, Astrid Bergland, Marie-José Enders-Slegers, Grete Patil, Camilla Ihlebaek

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    OBJECTIVES: The prevalence of neuropsychiatric symptoms in cognitively impaired nursing home residents is known to be very high, with depression and agitation being the most common symptoms. The possible effects of a 12-week intervention with animal-assisted activities (AAA) in nursing homes were studied. The primary outcomes related to depression, agitation and quality of life (QoL).

    METHOD: A prospective, cluster randomized multicentre trial with a follow-up measurement 3 months after end of intervention was used. Inclusion criteria were men and women aged 65 years or older, with a diagnosis of dementia or having a cognitive deficit. Ten nursing homes were randomized to either AAA with a dog or a control group with treatment as usual. In total, 58 participants were recruited: 28 in the intervention group and 30 in the control group. The intervention consisted of a 30-min session with AAA twice weekly for 12 weeks in groups of three to six participants, led by a qualified dog handler. Norwegian versions of the Cornell Scale for Depression, the Brief Agitation Rating Scale and the Quality of Life in Late-stage Dementia scale were used.

    RESULTS: A significant effect on depression and QoL was found for participants with severe dementia at follow-up. For QoL, a significant effect of AAA was also found immediately after the intervention. No effects on agitation were found.

    CONCLUSIONS: Animal-assisted activities may have a positive effect on symptoms of depression and QoL in older people with dementia, especially those in a late stage. Copyright © 2016 John Wiley & Sons, Ltd.

    Original languageEnglish
    Pages (from-to)1312-1321
    Number of pages10
    JournalInternational Journal of Geriatric Psychiatry
    Volume31
    Issue number12
    DOIs
    Publication statusPublished - Dec 2016

    Keywords

    • Aged
    • Aged, 80 and over
    • Animals
    • Cognition Disorders/psychology
    • Dementia/psychology
    • Depressive Disorder/therapy
    • Dogs
    • Female
    • Humans
    • Male
    • Norway
    • Nursing Homes/statistics & numerical data
    • Pets/psychology
    • Prospective Studies
    • Psychomotor Agitation/therapy
    • Quality of Life/psychology

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