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Controlled assessment of landscape-based mindfulness - forest for health

The impact of forest bathing on stress reduction: a randomized control trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN15381820
Enrollment
158
Registered
2025-05-15
Start date
2025-05-01
Completion date
Unknown
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stress interference in daily life being significant or very significant

Interventions

Guided forestbathing - mindfulness in Sweden. A similar study design is being conducted by collaborators in Barcelona, Spain. Computer-generated allocation by software: Sealed Envelope (pseudorandom

Sponsors

European Union’s Horizon Europe Research and Innovation Programme
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: 1. Age 18–64 years 2. Stress interference in daily life is significant or very significant; ICD diagnoses: F43.8a (primary), F32.0, F32.1, F41.0 (secondary) 3. Ability to understand the information for participation in the study and the forest bathing intervention, both by oral and written instructions 4. Signed Content, protocol compliance

Exclusion criteria

Exclusion criteria: 1. Intellectual disability, phobias, dissociative behaviours (ICD-11 codes) 2. Conditions preventing participation or intervention suitability 3. Participated in any kind of NBI in the last 12 months 4. MB23.0 - aggressive behaviour 5. Suicidal risks, known drug or alcohol abuse, evaluated by referring MD

Design outcomes

Primary

MeasureTime frame
Perceived stress measured using the Perceived Stress Scale at baseline, at the end of the intervention (FU1), 4 weeks (FU2) and 12 weeks (FU3) after the intervention

Secondary

MeasureTime frame
The secondary outcome measures were assessed at baseline, at the end of the intervention (FU1), 4 weeks (FU2) and 12 weeks (FU3) after the intervention, unless other stated: Health measures: 1. Stress measured using the Perceived Stress Scale (10 items) or the self-developed question in the screening questionnaire 2. Quality of Life measured using the EuroQol 5 Dimensions 5 levels (EQ-5D-5L) 5 items and general health reported on a visual scale from 0 to 100 3. Wellbeing measured using the ONS-4 (4 items) 4. Wellbeing (Optional) measured using the Warwick-Edinburgh Mental Wellbeing Scale (WEMWBS) 14 or 7 items 5. Anxiety (Optional) measured using the Generalized Anxiety Disorder-7 (GAD-7) 7-item self-reported questionnaire 6. Sleep Quality (Optional) measured using the PSQI-2 7. Emotional Regulation (Optional) measured using the Difficulties in Emotion Regulation Scale (DERS-16) 8. Self-Esteem (Optional) measured using the Rosenberg Self-Esteem Scale (RSES) 10-item scale 9. Depression (Optional) measured using the Patient Health Questionnaire-9 (PHQ-9) 10. Psychological Distress (Optional) measured using the Kessler Psychological Distress Scale (K10) 11. Complicated Grief (Optional) measured using the Inventory of Complicated Grief (ICG) Cost-utility data: 13. User satisfaction (Optional) measured using the self-reported questionnaire Adapted version of the Client Service Receipt Inventory (CSRI) at baseline and FU3 Pathways: 14. Human-Nature connectedness (Optional) measured using the self-reported questionnaire introduced by “The following questions are about you and nature. By nature, we mean all types of natural environment and all the plants and animals living in them. Nature can be close to where you live in towns, the countryside, or wilderness areas further away.” at baseline and FU1 15. Perceived health benefits from exposure to nature (Optional) measured using the phone questionnaire (to link with WP4) at baseline and FU3 16. Subjective biodive

Countries

Sweden

Contacts

Public ContactAnna María Pálsdóttir
anna.maria.palsdottir@slu.se+46 730853219

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Jul 31, 2026