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. 2022 Dec;37(12):10.1002/gps.5834.
doi: 10.1002/gps.5834.

The impact of the first UK COVID-19 lockdown on presentations with psychosis to mental health services for older adults: An electronic health records study in South London

Lauren Simkin  1 , Paul Yung  2 , Flora Greig  2 , Gayan Perera  1 , Konstantinos Tsamakis  1   3 , Emmanouil Rizos  3 , Robert Stewart  1   2 , Latha Velayudhan  1   2 , Christoph Mueller  1   2
Affiliations

The impact of the first UK COVID-19 lockdown on presentations with psychosis to mental health services for older adults: An electronic health records study in South London

Lauren Simkin et al. Int J Geriatr Psychiatry. 2022 Dec.

Abstract

Objectives: Social distancing restrictions in the COVID-19 pandemic may have had adverse effects on older adults' mental health. Whereby the impact on mood is well-described, less is known about psychotic symptoms. The aim of this study was to compare characteristics associated with psychotic symptoms during the first UK lockdown and a pre-pandemic comparison period.

Methods: In this retrospective observational study we analysed anonymised records from patients referred to mental health services for older adults in South London in the 16-week period of the UK lockdown starting in March 2020, and in the comparable pre-pandemic period in 2019. We used logistic regression models to compare the associations of different patient characteristics with increased odds of presenting with any psychotic symptom (defined as hallucinations and/or delusion), hallucinations, or delusions, during lockdown and the corresponding pre-pandemic period.

Results: 1991 referrals were identified. There were fewer referrals during lockdown but a higher proportion of presentations with any psychotic symptom (48.7% vs. 42.8%, p = 0.018), particularly hallucinations (41.0% vs. 27.8%, p < 0.001). Patients of non-White ethnicity (adjusted odds ratio (OR): 1.83; 95% confidence interval (CI): 1.13-2.99) and patients with dementia (adjusted OR: 3.09; 95% CI: 1.91-4.99) were more likely to be referred with psychotic symptoms during lockdown. While a weaker association between dementia and psychotic symptoms was found in the pre-COVID period (adjusted OR: 1.55; 95% CI: 1.19-2.03), interaction terms indicated higher odds of patients of non-White ethnicity or dementia to present with psychosis during the lockdown period.

Conclusions: During lockdown, referrals to mental health services for adults decreased, but contained a higher proportion with psychotic symptoms. The stronger association with psychotic symptoms in non-White ethnic groups and patients with dementia during lockdown suggests that barriers in accessing care might have increased during the COVID-19 pandemic.

Keywords: COVID‐19; delusions; dementia; hallucinations; lockdown; non‐white ethnicity; older adults; psychosis.

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Conflict of interest statement

Robert Stewart has received research support from Janssen, GSK and Takeda. Lauren Simkin, Paul Yung, Gayan Perera, Konstantinos Tsamakis, Emmanouil Rizos, Latha Velayudhan, and Christoph Mueller declare no conflict of interest.

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