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Statistical comparisons between weeks in the Active COVID-19 period.
| Period | Difference | Confidence interval | t value | Degrees of freedom | P value | Adjusted P value |
| Week 15-Week 14 | 18.7 | –21.7 to 59 | 1.19 | 12,159 | .63 | .95 |
| Week 16-Week 14 | –3.3 | –42.7 to 36 | 0.21 | 12,247 | >.99 | >.99 |
| Week 17-Week 14 | 30.5 | –10 to 71 | 1.93 | 11,951 | .21 | .64 |
| Week 16-Week 15 | –22 | –61.6 to 18 | 1.43 | 12,405 | .48 | .95 |
| Week 17-Week 15 | 11.7 | –28.9 to 52 | 0.74 | 12,101 | .88 | >.99 |
| Week 17-Week 16 | 33.8 | –5.8 to 73 | 2.19 | 12,166 | .13 | .64 |
