Table 2 Regression of PM2.5, race, and COVID-19 cases for the 50 most populous counties in Texas.

From: Race and ethnic minority, local pollution, and COVID-19 deaths in Texas

Multivariate linear regression of PM2.5, race/ethnicity, and COVID cases for the 50 most Populous counties in Texas

Dependent variable: COVID cases

Independent variables: PM2.5 (2000–2016 average in μg/m3), percent minority race/ethnicity (%Non-Hispanic Black + %Hispanic)

Residuals

Min

1Q

Median

3Q

Max

− 765.2

− 330.0

− 186.0

180.7

2448.2

Coefficients

Estimate

Std. error

t-value

Pr( >|t|)

(Intercept)

918.308

627.219

1.464

0.14982

PM2.5

− 36.997

69.828

− 0.530

0.59872

Race/ethnicity

16.022

4.485

3.572

0.00083***

  1. Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1.
  2. Multiple R-squared: 0.2135, Adjusted R-squared: 0.1801.
  3. Residual standard error: 590.3 on 47 degrees of freedom.
  4. F-statistic: 6.38 on 2 and 47 degrees of freedom, p-value: 0.003536.