Data-analysis:
We primarily used inferential descriptive statistics including one-sample t-test to compare the prevalence of anxiety and depression in our study sample against UK-wide population estimates. We also used chi-squared test to explore whether demographics were associated with likely major depressive disorder and generalised anxiety disorder. Finally, we performed a binary logistic regression analysis to explore causative factors for changes in mental health11Beaumont, R (2014) Health Science Statistics using R and R Commander . Scion publishing:Banbury, Oxfordshire. Analyses were performed in IBM SPSS for Windows Version 26.