TABLE IV. Pearson Correlations Between Smartphone Usage and Covid-19 Cases.
| Delay (day) | CPU usage | Memory usage | WiFi usage | Network switch | ||||
|---|---|---|---|---|---|---|---|---|
| Cumulative (log) | New confirmed | Cumulative (log) | New confirmed | Cumulative (log) | New confirmed | Cumulative (log) | New confirmed | |
| 0 | −0.0632 | −0.2670 | −0.8163 | −0.8119 | 0.8364 | 0.8053 | −0.7649 | −0.7809 |
| 1 | −0.0383 | −0.2339 | −0.8119 | −0.8091 | 0.8754 | 0.8253 | −0.7838 | −0.8234 |
| 2 | −0.0541 | −0.2444 | −0.8315 | −0.8369 | 0.8667 | 0.8263 | −0.7830 | −0.8369 |
| 3 | −0.0240 | −0.2081 | −0.8277 | −0.8399 | 0.8523 | 0.8312 | −0.7772 | −0.8430 |