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(A) Household income (per capita) by employment status and gender. (B) Seroprevalence by household income (per capita), employment status, and gender. Asterisks indicate statistically significant differences (2-tailed t test, Bonferroni-adjusted p < 0.05: *; <0.01: **; <0.001: ***; α = 0.0125 in panels (A and B)). USD, US Dollar.
