Table 2.
Paired sample t-test results between monthly Global SSI before and after COVID-19.
| MSAs | Mean Global SSI (Before) | Mean Global SSI (After) | t-statistic | p-valuetwo-tailed |
|---|---|---|---|---|
| New York | 0.635 | 0.642 | -9.592 | 0.000* |
| Los Angeles | 0.618 | 0.621 | -4.934 | 0.000* |
| Phoenix | 0.618 | 0.620 | -3.743 | 0.003* |
| Chicago | 0.618 | 0.618 | -0.365 | 0.722 |
| Philadelphia | 0.611 | 0.610 | 1.661 | 0.125 |
| Dallas | 0.604 | 0.606 | -4.271 | 0.001* |
| Houston | 0.603 | 0.605 | -5.183 | 0.000* |
| Boston | 0.604 | 0.604 | 0.837 | 0.421 |
| Miami | 0.595 | 0.596 | -2.189 | 0.051 |
| San Francisco | 0.584 | 0.590 | -7.594 | 0.000* |
| Atlanta | 0.584 | 0.585 | -1.073 | 0.305 |
| Washington D.C. | 0.568 | 0.569 | -1.885 | 0.086 |
⁎
represents statistically significant p-value (<0.05).