Therapeutic horticulture in clinical depression : a prospective study of active components

• Aim. This paper is a report of a study conducted to assess change in depression severity, perceived attentional capacity and rumination (brooding) in individuals with clinical depression during a therapeutic horticulture programme and to investigate if the changes were mediated by experiences of being away and fascination. Background. Individuals with clinical depression suffer from distortion of attention and rumination. Interventions can help to disrupt maladaptive rumination and promote restoration of depleted attentional capacity. Method. A single-group study was conducted with a convenience sample of 28 people with clinical depression in 2009. Data were collected before, twice during, and immediately after a 12-week therapeutic horticulture programme, and at 3-month follow-up. Assessment instruments were the Beck Depression Inventory, Attentional Function Index, Brooding Scale, and Being Away and Fascination subscales from the Perceived Restorativeness Scale. Findings. Mean Beck Depression Inventory scores declined by 4 center dot 5 points during the intervention (F = 5 center dot 49, P = 0 center dot 002). The decline was clinically relevant for 50% of participants. Attentional Function Index scores increased (F = 4 center dot 14, P = 0 center dot 009), while Brooding scores decreased (F = 4 center dot 51, P = 0 center dot 015). The changes in Beck Depression Inventory and Attentional Function Index scores were mediated by increases in Being Away and Fascination, and decline in Beck Depression Inventory scores was also mediated by decline in Brooding. Participants maintained their improvements in Beck Depression Inventory scores at 3-month follow-up. Conclusion. Being away and fascination appear to work as active components in a therapeutic horticulture intervention for clinical depression.

Nyckelord

clinical depression

clinical practice

nature-based intervention

nursing

prospective study

therapeutic horticulture

SOCIAL SCIENCES

SAMHÄLLSVETENSKAP

MEDICINE

MEDICIN

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