From: Routine activity effects of the Covid-19 pandemic on burglary in Detroit, March, 2020
 | Period A | Period B | Period C |
---|---|---|---|
March 1 through March 9 | March 10 through March 23 | March 24 through March 31 | |
a. Total block groups in subset | 222 | 222 | 222 |
b. Total days in period | 9 | 14 | 8 |
c. Total burglaries in subset in period | 26 | 38 | 25 |
d. Burglaries per day in subset d = c/b | 2.89 | 2.71 | 3.13 |
e. Burglaries per day per 100 blocks in subset e = (d × 100)/222 | 1.30 | 1.22 | 1.41 |
f. Per cent change from Period A | 0 | − 0.06 | + 0.08 |
g. Ratio of burglaries in predominantly residential areas to mixed areas | 3.58 | 3.45 | 1.88 |