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The Effects of a Forest Therapy Programme on Mental Hospital Patients with Affective and Psychotic Disorders

Author

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  • Ernest Bielinis

    (Department of Forestry and Forest Ecology, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury, Pl. Łódzki 2, 10-727 Olsztyn, Poland)

  • Aneta Jaroszewska

    (Department of Psychiatry, University of Warmia and Mazury, Aleja Wojska Polskiego 35, 11-041 Olsztyn, Poland)

  • Adrian Łukowski

    (Faculty of Forestry, Poznań University of Life Sciences, Wojska Polskiego 71c, 60-625 Poznań, Poland)

  • Norimasa Takayama

    (Environmental Planning Laboratory, Department of Forest Management, Forestry and Forest Products Research Institute in Japan, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan)

Abstract

The positive effect of forest bathing on the mental health and wellbeing of those suffering from post-traumatic stress disorder or experiencing stress has been proven. It is not known, however, how ‘forest therapy’ affects the mental health of people who are treated in a psychiatric hospital for affective or psychotic disorders. Potentially, forest therapy could bring many benefits to these people. To test the potential effectiveness of this therapy, a quasi-experiment was carried out in a psychiatric hospital in Olsztyn (north Poland). In the summer and autumn of 2018, the patients of the psychiatric hospital in Olsztyn participated in forest therapy interventions. The proposed forest therapy consisted of participating in one hour and forty-five minutes walks under the supervision of a therapist. Subjects filled out the Profile of Mood States Questionnaire (POMS) and the State Trait Anxiety Inventory (STAI-S) before and after the study. In the case of a group of patients with affective disorders, forest therapy had a positive effect on nearly all POMS scale subscales, with the exception of the ‘anger–hostility’ subscale, which did not change its values significantly after the intervention. In these patients, the greatest impacts were noted in the subscales ‘confusion’ and ‘depression–dejection’; the level of anxiety measured with the STAI-S scale also significantly decreased. In the case of patients with psychotic disorders, the values of the ‘confusion’ and ‘vigour’ subscales and the STAI-S scale exhibited the greatest changes. These changes were positive for the health of patients. Regarding the ‘fatigue’ subscale, no significant changes were observed in patients with psychotic disorders. The observed changes in psychological indicators in psychiatric hospital patients with both kinds of disorders indicate that the intervention of forest therapy can positively affect their mental health. The changes observed in psychological indicators were related to the characteristics of the given disorder.

Suggested Citation

  • Ernest Bielinis & Aneta Jaroszewska & Adrian Łukowski & Norimasa Takayama, 2019. "The Effects of a Forest Therapy Programme on Mental Hospital Patients with Affective and Psychotic Disorders," IJERPH, MDPI, vol. 17(1), pages 1-10, December.
    • Handle: RePEc:gam:jijerp:v:17:y:2019:i:1:p:118-:d:301039
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    References listed on IDEAS

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    1. Hiroko Ochiai & Harumi Ikei & Chorong Song & Maiko Kobayashi & Takashi Miura & Takahide Kagawa & Qing Li & Shigeyoshi Kumeda & Michiko Imai & Yoshifumi Miyazaki, 2015. "Physiological and Psychological Effects of a Forest Therapy Program on Middle-Aged Females," IJERPH, MDPI, vol. 12(12), pages 1-11, December.
    2. Norimasa Takayama & Kalevi Korpela & Juyoung Lee & Takeshi Morikawa & Yuko Tsunetsugu & Bum-Jin Park & Qing Li & Liisa Tyrväinen & Yoshifumi Miyazaki & Takahide Kagawa, 2014. "Emotional, Restorative and Vitalizing Effects of Forest and Urban Environments at Four Sites in Japan," IJERPH, MDPI, vol. 11(7), pages 1-24, July.
    3. Insook Lee & Heeseung Choi & Kyung-Sook Bang & Sungjae Kim & MinKyung Song & Buhyun Lee, 2017. "Effects of Forest Therapy on Depressive Symptoms among Adults: A Systematic Review," IJERPH, MDPI, vol. 14(3), pages 1-18, March.
    4. Kheng Siang Ted Ng & Angelia Sia & Maxel K. W. Ng & Crystal T. Y. Tan & Hui Yu Chan & Chay Hoon Tan & Iris Rawtaer & Lei Feng & Rathi Mahendran & Anis Larbi & Ee Heok Kua & Roger C. M. Ho, 2018. "Effects of Horticultural Therapy on Asian Older Adults: A Randomized Controlled Trial," IJERPH, MDPI, vol. 15(8), pages 1-14, August.
    5. Jin-Woo Han & Han Choi & Yo-Han Jeon & Chong-Hyeon Yoon & Jong-Min Woo & Won Kim, 2016. "The Effects of Forest Therapy on Coping with Chronic Widespread Pain: Physiological and Psychological Differences between Participants in a Forest Therapy Program and a Control Group," IJERPH, MDPI, vol. 13(3), pages 1-13, February.
    6. Hiroko Ochiai & Harumi Ikei & Chorong Song & Maiko Kobayashi & Ako Takamatsu & Takashi Miura & Takahide Kagawa & Qing Li & Shigeyoshi Kumeda & Michiko Imai & Yoshifumi Miyazaki, 2015. "Physiological and Psychological Effects of Forest Therapy on Middle-Aged Males with High-Normal Blood Pressure," IJERPH, MDPI, vol. 12(3), pages 1-11, February.
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    2. Francesco Meneguzzo & Lorenzo Albanese & Michele Antonelli & Rita Baraldi & Francesco Riccardo Becheri & Francesco Centritto & Davide Donelli & Franco Finelli & Fabio Firenzuoli & Giovanni Margheritin, 2021. "Short-Term Effects of Forest Therapy on Mood States: A Pilot Study," IJERPH, MDPI, vol. 18(18), pages 1-21, September.
    3. Vicent Balanzá-Martínez & Jose Cervera-Martínez, 2022. "Lifestyle Prescription for Depression with a Focus on Nature Exposure and Screen Time: A Narrative Review," IJERPH, MDPI, vol. 19(9), pages 1-17, April.
    4. Hansen Li & Xing Zhang & Shilin Bi & Haowei Liu & Yang Cao & Guodong Zhang, 2021. "Green Exercise: Can Nature Video Benefit Isometric Exercise?," IJERPH, MDPI, vol. 18(11), pages 1-12, May.
    5. Federica Zabini & Lorenzo Albanese & Francesco Riccardo Becheri & Gioele Gavazzi & Fiorenza Giganti & Fabio Giovanelli & Giorgio Gronchi & Andrea Guazzini & Marco Laurino & Qing Li & Tessa Marzi & Fra, 2020. "Comparative Study of the Restorative Effects of Forest and Urban Videos during COVID-19 Lockdown: Intrinsic and Benchmark Values," IJERPH, MDPI, vol. 17(21), pages 1-13, October.

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