The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants

Raphaella Lewis; Laura Roden; Karine Scheuermaier; F.X. Gómez-Olivé; Dale E Rae; Stella Iacovides; Alison Bentley; Jonathan Davy; Candice Christie; Swantje Zschernack; Johanna Roche; Gosia Lipinska

doi:10.1038/s41598-021-02021-8

The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants

Raphaella Lewis, Laura Roden, Karine Scheuermaier, F.X. Gómez-Olivé, Dale E Rae, Stella Iacovides, Alison Bentley, Jonathan Davy, Candice Christie, Swantje Zschernack, Johanna Roche, Gosia Lipinska

Research Centre for Sport, Exercise and Life Sciences

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5 Citations (Scopus)

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Abstract

During lockdowns associated with the COVID-19 pandemic, individuals have experienced poor sleep quality and sleep regularity, changes in lifestyle behaviours, and heightened depression and anxiety. However, the inter-relationship and relative strength of those behaviours on mental health outcomes is still unknown. We collected data between 12 May and 15 June 2020 from 1048 South African adults (age: 32.76 ± 14.43 years; n = 767 female; n = 473 students) using an online questionnaire. Using structural equation modelling, we investigated how insomnia symptoms, sleep regularity, exercise intensity/frequency and sitting/screen-use (sedentary screen-use) interacted to predict depressive and anxiety-related symptoms before and during lockdown. We also controlled for the effects of sex and student status. Irrespective of lockdown, (a) more severe symptoms of insomnia and greater sedentary screen-use predicted greater symptoms of depression and anxiety and (b) the effects of sedentary screen-use on mental health outcomes were mediated by insomnia. The effects of physical activity on mental health outcomes, however, were only significant during lockdown. Low physical activity predicted greater insomnia symptom severity, which in turn predicted increased depressive and anxiety-related symptoms. Overall, relationships between the study variables and mental health outcomes were amplified during lockdown. The findings highlight the importance of maintaining physical activity and reducing sedentary screen-use to promote better sleep and mental health.

Original language	English
Article number	24059
Journal	Scientific Reports
Volume	11
DOIs	https://doi.org/10.1038/s41598-021-02021-8
Publication status	Published - 15 Dec 2021

Bibliographical note

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.

Funder

G.L. is supported by the National Research Foundation (NRF; South Africa), Competitive Support for Unrated Research (CSUR) grant number 116229.

Keywords

COVID-19 pandemic
sleep health
exercise
physical activity
screen-use
sedentary behaviour
depressive symptoms
anxiety symptoms
lifestyle factors
structural equation modelling

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Lewis_et_al_Impact_Sleep_Physical_Activity_Scientific_ReportsFinal published version, 1.61 MBLicence: CC BY

5 Citations
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Author Correction: The impact of sleep, physical activity and sedentary behaviour on symptoms of depression and anxiety before and during the COVID-19 pandemic in a sample of South African participants (Scientific reports (2021) 11 1 (24059))
Lewis, R., Roden, L. C., Scheuermaier, K., Gomez-Olive, F. X., Rae, D. E., Iacovides, S., Bentley, A., Davy, J. P., Christie, C. J., Zschernack, S., Roche, J. & Lipinska, G., 15 Mar 2022, In: Scientific Reports. 12, p. 4432 1 p., 4432.
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Lewis, R., Roden, L., Scheuermaier, K., Gómez-Olivé, F. X., Rae, D. E., Iacovides, S., Bentley, A., Davy, J., Christie, C., Zschernack, S., Roche, J., & Lipinska, G. (2021). The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants. Scientific Reports, 11, [24059]. https://doi.org/10.1038/s41598-021-02021-8

The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants. / Lewis, Raphaella; Roden, Laura; Scheuermaier, Karine; Gómez-Olivé, F.X.; Rae, Dale E; Iacovides, Stella; Bentley, Alison; Davy, Jonathan; Christie, Candice; Zschernack, Swantje; Roche, Johanna; Lipinska, Gosia.

In: Scientific Reports, Vol. 11, 24059, 15.12.2021.

Research output: Contribution to journal › Article › peer-review

Lewis, R, Roden, L, Scheuermaier, K, Gómez-Olivé, FX, Rae, DE, Iacovides, S, Bentley, A, Davy, J, Christie, C, Zschernack, S, Roche, J & Lipinska, G 2021, 'The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants', Scientific Reports, vol. 11, 24059. https://doi.org/10.1038/s41598-021-02021-8

Lewis, Raphaella ; Roden, Laura ; Scheuermaier, Karine ; Gómez-Olivé, F.X. ; Rae, Dale E ; Iacovides, Stella ; Bentley, Alison ; Davy, Jonathan ; Christie, Candice ; Zschernack, Swantje ; Roche, Johanna ; Lipinska, Gosia. / The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants. In: Scientific Reports. 2021 ; Vol. 11.

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The Impact of Sleep, Physical Activity and Sedentary Behaviour on Symptoms of Depression and Anxiety Before and During the COVID-19 Pandemic in a Sample of South African Participants

Abstract

Bibliographical note

Funder

Keywords

UN SDGs

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Research output

Author Correction: The impact of sleep, physical activity and sedentary behaviour on symptoms of depression and anxiety before and during the COVID-19 pandemic in a sample of South African participants (Scientific reports (2021) 11 1 (24059))

Cite this