Table 3.
Correlation between COVID-19 test availability and socioeconomic status on zip-code level in two states.
| Illinois | Virginia | |
|---|---|---|
| May 3rd, 2020a | ||
| Correlation without adjustmentb | ||
| ADI national rank | 0.101 P = 0.0305 |
NA |
| ADI state rank | 0.118 P = 0.0115 |
NA |
| Correlation with adjustmentc | ||
| ADI national rank | 0.044 P = 0.3556 |
NA |
| ADI state rank | 0.068 P = 0.1517 |
NA |
| May 30th, 2020 | ||
| Correlation without adjustmentb | ||
| ADI national rank | 0.183 P < 0.0001 |
−0.104 P = 0.0036 |
| ADI state rank | 0.195 P < 0.0001 |
−0.103 P = 0.0042 |
| Correlation with adjustmentc | ||
| ADI national rank | 0.099 P = 0.0239 |
−0.118 P = 0.0010 |
| ADI state rank | 0.113 P = 0.0099 |
−0.118 P = 0.0011 |
Zip-code level data were not available on May 3rd for Virginia.
Spearman correlation coefficient and p-value.
Correlation adjusted for age, gender, and the square mileage of each zip-code community.
ADI, Area Deprivation Index (The higher the Index, the greater the disadvantages).