Figure 2. Dose–response meta-analysis plots of SMDs for symptoms of anxiety and depression as a function of days since the first case in the study country (A), the stringency index (B), cumulative number of cases (C), and cumulative number of deaths (D).

Dark green shading indicates credible regions, and light green shading indicates prediction regions. SMD < 0 means that the symptoms worsen over time. SMD = standardized mean difference.