Comparisons of the time period before the stay at home order was put in place and the two weeks after it was put in place in Chicago, Baltimore, and Baton Rouge.

The observed time period for the stay at home order spans from 03/21/2020—04/04/2020 in Chicago. The degrees of freedom for these analyses are 89 and α = .05 is adjusted after Bonferroni correction (with n = 18) to α = 0.0027. The two weeks after Baltimore’s stay at home period span from 03/30/20—04/13/20. The degrees of freedom for these analyses are 101 and α = .05 is adjusted after Bonferroni correction (with n = 11) to α = 0.0045. The two weeks after Baton Rouge’s stay at home order span from 03/22/20—04/05/20. The degrees of freedom for these analyses are 93 and α = .05 is adjusted after Bonferroni correction (with n = 15) to α = 0.0033. The values for mean μ, standard deviation σ, and percent change are also provided. Bolded crime types show significant differences between years and crime categories are denoted by (P) for property, (S) for statutory, and (I) for interpersonal crimes.