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      One Year On: What We Have Learned about the Psychological Effects of COVID-19 Social Restrictions – A Meta-Analysis

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          Abstract

          This paper reports on the first meta-analysis of studies on the association between government-imposed social restrictions and mental health outcomes published during the initial year of the COVID-19 pandemic. Thirty-three studies (N=131,844) were included. Social restrictions were significantly associated with increased mental health symptoms overall ( d=.41 [CI 95% .17 – .65]), including depression ( d=.83 [CI 95% .30–1.37]), stress ( d=.21 [CI 95% .01–.42]) and loneliness ( d=.30 [CI 95% .07–.52]), but not anxiety ( d=.26 [CI 95% -.04–.56]). Subgroup analyses demonstrated that the strictness and length of restrictions had divergent effects on mental health outcomes, but there are concerns regarding study quality. The findings provide critical insights for future research on the effects of COVID-19 social restrictions.

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          Most cited references54

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          Bias in meta-analysis detected by a simple, graphical test

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            Quantifying heterogeneity in a meta-analysis.

            The extent of heterogeneity in a meta-analysis partly determines the difficulty in drawing overall conclusions. This extent may be measured by estimating a between-study variance, but interpretation is then specific to a particular treatment effect metric. A test for the existence of heterogeneity exists, but depends on the number of studies in the meta-analysis. We develop measures of the impact of heterogeneity on a meta-analysis, from mathematical criteria, that are independent of the number of studies and the treatment effect metric. We derive and propose three suitable statistics: H is the square root of the chi2 heterogeneity statistic divided by its degrees of freedom; R is the ratio of the standard error of the underlying mean from a random effects meta-analysis to the standard error of a fixed effect meta-analytic estimate, and I2 is a transformation of (H) that describes the proportion of total variation in study estimates that is due to heterogeneity. We discuss interpretation, interval estimates and other properties of these measures and examine them in five example data sets showing different amounts of heterogeneity. We conclude that H and I2, which can usually be calculated for published meta-analyses, are particularly useful summaries of the impact of heterogeneity. One or both should be presented in published meta-analyses in preference to the test for heterogeneity. Copyright 2002 John Wiley & Sons, Ltd.
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              The psychological impact of quarantine and how to reduce it: rapid review of the evidence

              Summary The December, 2019 coronavirus disease outbreak has seen many countries ask people who have potentially come into contact with the infection to isolate themselves at home or in a dedicated quarantine facility. Decisions on how to apply quarantine should be based on the best available evidence. We did a Review of the psychological impact of quarantine using three electronic databases. Of 3166 papers found, 24 are included in this Review. Most reviewed studies reported negative psychological effects including post-traumatic stress symptoms, confusion, and anger. Stressors included longer quarantine duration, infection fears, frustration, boredom, inadequate supplies, inadequate information, financial loss, and stigma. Some researchers have suggested long-lasting effects. In situations where quarantine is deemed necessary, officials should quarantine individuals for no longer than required, provide clear rationale for quarantine and information about protocols, and ensure sufficient supplies are provided. Appeals to altruism by reminding the public about the benefits of quarantine to wider society can be favourable.
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                Author and article information

                Journal
                Curr Opin Psychol
                Curr Opin Psychol
                Current Opinion in Psychology
                Elsevier Ltd.
                2352-250X
                2352-2518
                10 March 2022
                10 March 2022
                : 101315
                Affiliations
                [1 ]Deakin University
                [2 ]University of Queensland
                [3 ]University of Minnesota
                Author notes
                []Corresponding author. , School of Psychology, 221 Burwood Highway, Burwood, 3125.
                [1]

                Co-lead authors.

                Article
                S2352-250X(22)00025-2 101315
                10.1016/j.copsyc.2022.101315
                8907153
                35398753
                9a7e2320-d670-4f7e-ab58-4c7752a29cf6
                © 2022 Elsevier Ltd. All rights reserved.

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                : 14 January 2022
                : 7 February 2022
                : 15 February 2022
                Categories
                Review

                covid-19,lockdown,mental health,loneliness,meta-analysis
                covid-19, lockdown, mental health, loneliness, meta-analysis

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