Figure 2

Time-trend adjusted OR of mental health by the outbreak of the COVID-19 pandemic according to sub-district and sub-population. (a) Moderate stress; (b) Extreme stress; and (c) Depression. ORs and 95% CIs were calculated from pooled-analysis after adjusting for time trend and individual characteristics. Low-household income corresponds to household income less than 3 million won (about 2600$) per month, and high-household income corresponds to household income more than 3 million won (about 2600$) per month. CI confidence interval, OR odds ratio.