Green Care as Psychosocial Intervention for Depressive Symptoms: What Might Be the Active Ingredients?

BACKGROUND: Green care is an umbrella term for psychosocial interventions that integrate biotic and abiotic elements of nature to promote an individual’s health and well-being. Green care decreases depressive symptoms but the parts of the interventions that lead to this effect are unknown. OBJECTIVES: Review of literature to evaluate perceived social support, behavioral activation, and self-efficacy as key ingredients to decrease depressive symptoms in psychosocial interventions and extrapolate those mediators, or key ingredients, to green care. DESIGN: A literature search of three databases was conducted to find relevant studies examining a psychosocial intervention for adults, the mediator of interest, and depressive symptoms. RESULTS: Evidence supports behavioral activation, social support, and self-efficacy as mediators of psychosocial interventions to improve depressive symptoms. CONCLUSIONS: Green care offers a portal for individuals with different depressive symptoms and severities to be treated al...