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Development of nature-related habits and their relation to mental health outcomes during two years of the COVID-19 pandemic: a population-based study in Sweden
Stockholm University, Faculty of Social Sciences, Department of Psychology, Work and organizational psychology.ORCID iD: 0000-0003-4610-0368
Stockholm University, Faculty of Social Sciences, Department of Psychology, Work and organizational psychology.ORCID iD: 0000-0002-8213-1391
Stockholm University, Faculty of Social Sciences, Department of Psychology, Psychobiology and epidemiology.ORCID iD: 0000-0002-2908-1903
Stockholm University, Faculty of Social Sciences, Department of Psychology, Psychobiology and epidemiology.ORCID iD: 0000-0002-8411-0666
Number of Authors: 42025 (English)In: Journal of Public Health, ISSN 2198-1833, E-ISSN 1613-2238, Vol. 33, p. 2625-2642Article in journal (Refereed) Published
Abstract [en]

Aims Spending time in natural environments has been linked to mental health benefits, and may have been an important resilience factor during the COVID-19 pandemic, but longitudinal studies are limited. This longitudinal study aimed to investigate the development of nature-related habits and their relationship to different mental health outcomes before and during early and later phases of COVID-19 (2019–2022). Furthermore, the buffering potential of nature-related habits on effects of major life events on mental health outcomes was investigated.

Subject and methods A subsample of the Swedish Longitudinal Occupational Survey of Health (SLOSH) was studied during 2018–2022, including follow-ups in early 2021 (n  = 1902) and 2022 (n = 1580). Visits to various types of nature, mental health outcomes (symptoms of depression, anxiety, loneliness, sleep difficulties), and major life events were analyzed across the study period while controlling for confounders.

Results Greater overall engagement in nature visits, particularly visiting forests or using one’s garden, was associated with lower levels of depression, anxiety, loneliness, and sleep problems in early 2021 and 2022.

Importantly, changes in nature visits were consistently negatively associated with investigated mental health outcomes across the study period. All nature visits, except for garden time, increased in the long term (2019–2022). Visiting forests also increased in the short term, while overall nature visits initially decreased (2019–2020).

Conclusion Generally, nature visits increased longitudinally and were associated with better mental health outcomes during the COVID-19 pandemic. This underscores the importance of green- and blue-space accessibility for facilitating outdoor recreation in natural environments, to support resilience and public health during pandemics.

Place, publisher, year, edition, pages
2025. Vol. 33, p. 2625-2642
Keywords [en]
natural environments, nature visits, public health, resilience, urban development, sustainability
National Category
Public Health, Global Health and Social Medicine Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-228192DOI: 10.1007/s10389-024-02230-1ISI: 001190063100001Scopus ID: 2-s2.0-85188240851OAI: oai:DiVA.org:su-228192DiVA, id: diva2:1850429
Note

Correction: Correction to: Development of nature-related habits and their relation to mental health outcomes during two years of the COVID-19 pandemic: a population-based study in Sweden, https://doi.org/10.1007/s10389-024-02265-4.

Available from: 2024-04-10 Created: 2024-04-10 Last updated: 2026-01-12Bibliographically approved
In thesis
1. The role of nature exposure for mental health outcomes: Population-based studies of adults in Sweden, before and during the COVID-19 pandemic
Open this publication in new window or tab >>The role of nature exposure for mental health outcomes: Population-based studies of adults in Sweden, before and during the COVID-19 pandemic
2024 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Poor mental health is a major public health concern, globally and in Sweden. It is linked to individual suffering and systematic issues such as long-term sick leave, rehabilitation costs, early work exit, or productivity loss. The COVID-19 pandemic and associated restrictions emerged as a crisis involving challenges to individuals’ private and work situations. With increasing urbanization, the role of natural environments in promoting mental health has gained recognition. Exposure to natural environments has been linked to mental health benefits, also during the COVID-19 pandemic when this may have been an important resilience factor. However, few population-based studies have investigated individual-level residential greenspace (RGS) and mental health-related outcomes (MHO) using high-quality exposure measures. Also, longitudinal studies of nature visits and MHO, and the role of nature visits for loneliness in the working population, over time during COVID-19, are scarce. Thus, the overall aim of this thesis was to fill these gaps by examining the role of various types of nature exposure for MHO across different situations and time frames before and during COVID-19 in three quantitative studies. 

Study I examined the role of individual RGS on MHO in a population-based sample of adults residing in urban areas in Sweden, using high-resolution geographic land-cover data. Results showed that higher levels of residential green and green-blue space cover were associated with better MHO, specifically lower symptoms of depression and burnout among non-working individuals, and higher life satisfaction in the whole sample, after adjustment for demographic and socioeconomic variables. Consistently, green and green-blue space in the immediate residential surroundings (50 m) showed the most robust associations with MHO. 

Study II investigated the development of nature-related habits (NRH) from before and during two years of the COVID-19 pandemic (2019–2022), and their relationship with MHO over time, in a population-based sample in Sweden. It was found that most nature visits increased over time (2019–2022), with forest visits also increasing significantly in the short term (2019–2020). Frequent NRH, particularly garden time and forest visits, were related to lower levels of depression, anxiety, loneliness, and sleep problems in early 2021 and 2022. Maintaining and increasing NRH frequency over time was related to better MHO or protected against worse MHO in association with decreasing NRH over time.

Study III investigated whether working mainly remotely during COVID-19 was associated with higher levels of loneliness in a population-based sample of working adults in Sweden and whether nature visits buffered against loneliness over time among those working mainly remotely. It was found that loneliness levels during the pandemic were highest and increased the most compared to before among individuals working mainly remotely. Engaging daily in NRH mitigated the detrimental association between remote work and loneliness over time.

Overall, the results across the three studies showed that the various types of nature exposure investigated were consistently associated with better MHO across various situations and time frames. This underscores the importance of preserving and developing natural environments in urban areas to promote mental health, in alignment with the UN Sustainable Development Goals.

Abstract [sv]

Olika typer av psykisk ohälsa och besvär är ett stort folkhälsoproblem, både globalt och i Sverige. Psykisk ohälsa är förenat med individuellt lidande och med långtidssjukskrivning, rehabiliteringskostnader, förtida utträde ur arbetslivet samt med andra produktivitetsförluster. Covid-19-pandemin, med dess tillhörande restriktioner, medförde utmaningar för individers privata och arbetsrelaterade situation. I takt med ökad urbanisering har naturmiljöers roll för att främja psykisk hälsa och hållbar stadsutveckling uppmärksammats alltmer. Att tillbringa tid i naturliga miljöer har kopplats till psykisk hälsa, även under Covid-19-pandemin, och kan utgöra en viktig faktor för motståndskraft. Få populationsbaserade studier har dock undersökt grönyta (dvs vegetation) runt individers bostad i relation till olika aspekter av psykisk hälsa med hjälp av högkvalitativa exponeringsmått. Longitudinella studier av samband mellan naturbesök och psykisk hälsa, samt studier som undersöker betydelsen av naturbesök för att motverka ensamhet i den arbetande befolkningen över tid under COVID-19, saknas också. Det övergripande syftet med studierna i denna avhandling var därför att undersöka betydelsen av olika typer av naturexponeringar för psykisk hälsa i olika situationer och tidsperioder innan respektive under COVID-19 pandemin genom tre kvantitativa studier på befolkningsbaserade urval. 

I Studie I undersöktes betydelsen av individuell grönyta (dvs vegetation) runt individers bostad för psykisk hälsa i ett populationsbaserat urval av vuxna bosatta i urbaniserade områden i Sverige, med hjälp av högupplösta geografiska marktäckedata. Resultaten visade att en högre andel av grönyta och grön-blå yta runt en individs bostad var förenat med bättre psykisk hälsa, särskilt lägre symptom på depression och utbrändhet bland icke-arbetande individer, samt högre livstillfredsställelse i hela urvalsgruppen. Genomgående var grönyta och grön-blå yta i den omedelbara bostadsmiljön (50 m) tydligast relaterat till psykisk hälsa. 

I Studie II undersöktes utvecklingen av vanor avseende olika typer av naturbesök före och under två år av covid-19-pandemin (2019–2022), samt deras samband med psykisk hälsa över tid, i ett befolkningsbaserat urval i Sverige. Det visade sig att de flesta typer av naturbesök ökade över tid (2019–2022), och att skogsbesök också ökade betydligt på kort sikt (2019–2020). Frekventa naturbesök, särskilt trädgårds- och skogsbesök, var relaterade till lägre nivåer av depression, ångest, ensamhet och sömnproblem i början av 2021 och 2022. Att bibehålla och öka frekvensen av naturbesök över tid var förenat med bättre psykisk hälsa eller skyddade mot sämre psykisk hälsa i samband med minskad frekvens av naturbesök över tid.

I Studie III undersöktes om distansarbete under covid-19 var förenat med högre nivåer av ensamhet i ett befolkningsbaserat urval av yrkesverksamma vuxna i Sverige och om naturbesök buffrade mot ensamhet över tid bland dem som huvudsakligen arbetade på distans. Det framkom att ensamhetsnivåerna under pandemin var högst och ökade mest jämfört med tidigare bland individer som huvudsakligen distansarbetade. Dagliga naturbesök mildrade det negativa sambandet mellan distansarbete och ensamhet över tid.

Sammantaget visar resultaten från studierna i avhandlingen att de olika typerna av naturexponeringar som undersöktes konsekvent var förenade med bättre psykisk hälsa i olika situationer och tidsperioder. Det belyser vikten av att bevara och utveckla naturmiljöer i stadsområden för att främja psykisk hälsa, i linje med FN:s mål för hållbar utveckling.

Place, publisher, year, edition, pages
Stockholm: Department of Psychology, Stockholm University, 2024. p. 69
Keywords
Environmental health, Natural environments, Urban development, Sustainability, Resilience, Population-based, Sweden
National Category
Psychology
Research subject
Psychology
Identifiers
urn:nbn:se:su:diva-231508 (URN)978-91-8014-853-5 (ISBN)978-91-8014-854-2 (ISBN)
Public defence
2024-09-13, Lärosal 5, Hus 1, Albano, Albanovägen 12, Stockholm, 09:30 (English)
Opponent
Supervisors
Available from: 2024-08-21 Created: 2024-06-26 Last updated: 2025-01-07Bibliographically approved

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Klein, YannickLindfors, PetraMagnusson Hanson, Linda L.Stenfors, Cecilia U. D.

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