Mental distress during the COVID-19 Infodemic in Ireland, a prospective national survey over time

BACKGROUND: The World Health Organisation (WHO) declared an ‘infodemic’ in 2020, that resulted in distrust in health authorities and impacted public mental health promoting confusion, worry, and fear. The aim of this study is to identify indicators associated with mental distress during the first year of the COVID-19 pandemic in Ireland. METHODS: A nationally representative cross-sectional telephone survey conducted data collection during 3 study periods: May, July, September 2020. Mental health outcomes were assessed by the Patient Health Questionnaire Anxiety Depression Scale (PHQ-ADS), mental distress defined as a score of 10 or more. Analysis included descriptive and logistic regression. RESULTS: Of the 2,914 participants, 27.6% experienced mental distress during 2020(n = 804). The prevalence of mental distress did not significantly change over time, from 28% in May2020 to 25.3% in Sept2020. Women were significantly more likely to experience mental distress than men; 34% compared to 21% (OR:1.91;95%CI:1.62-2.26). Mental distress was highest in the youngest age groups (43% in < 30years,OR:3.24;95%CI:2.36-4.45), with a significant decreasing trend with increasing age. Mental distress was associated with trust in the pandemic response, those with the lowest levels of trust had the highest levels of mental distress at 37% (OR:1.84;95%CI:1.26-2.68), with a significant decreasing trend with increasing trust. During May2020, those experiencing mental distress were significantly less likely to seek healthcare when required, 41% compared to 21% (OR:2.59;95%CI:1.94-3.46). Education, employment and household income were also studied. CONCLUSIONS: This study identified indicators associated with mental distress, such as trust and healthcare avoidance, which can inform future emergency management policy. The WHO recommends promoting the understanding of risk to mitigate harm to the public's mental and physical health, which could increase public trust and reduce mental distress. KEY MESSAGES: • The COVID-19 ‘infodemic’ impacted the public's mental health, with 27.6% of the study experiencing mental distress. • Mental distress is associated with trust and healthcare avoidance which can inform future management strategies.