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. 2021 Nov 2:1–10. doi: 10.1017/S0033291721004657

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© The Author(s) 2021

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means subject to acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Fig. 2. — Results of logistic regressions showing differences in health behaviour risk (before COVID-19 pandemic, during May 2020 lockdown and in September 2020) between participants with highest and lowest levels of mental health problems: meta-analysis of four cohort studies. (a) Psychological distress (prior to pandemic, cohort-specific mental health measures). (b) Anxiety and depression (during May lockdown, same mental health measure across cohorts). Note: Estimates show the risk difference on the percentage scale between those with the highest v. lowest mental health problems (ridit scores), and are weighted to account for survey non-response and survey design in 2001c and 1990c. Sex and educational level are controlled for.