In contrast, the proportion of Asian residents in a zip code has a (highly significant) negative association with the case rate, each additional percentage point decreasing , ceteris paribus, the case rate by some 14 cases. 2 As with the basic model, we have repeated the regression analyses for each of the 15 days from May 5-May 19; once again the estimates are remarkably robust, see Table 11 , Table 12 , Table 13 , Table 14 .
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