Table 2 Results of Negative Binomial linear regression of the log of the per capita rates of SARS-COV-2 cases in the incarcerated population during the summer wave on the log of the per capita rates in the surrounding community, and a factor level for the prison security level. Numbers in brackets indicate the one standard deviation uncertainty on the estimate, and entries marked with one/two/three asterisks are significant to p < 0.05/0.01/0.001, respectively