Table 2. Correlation of the percentage of a Florida county subdivision not connected to septic tanks with different demographic or economic variables.
| Demographic or economic variable | Correlation of variable with % of county subdivision not on septic (Pearson correlation coefficient) | Significance (q-value) |
|---|---|---|
| Percent one race and Asian | 0.31 | <0.001 |
| Percent Hispanic | 0.21 | <0.01 |
| Average household size | -0.19 | <0.01 |
| Percent one race and American Indian and Alaska native | -0.15 | 0.07 |
| Median age | 0.12 | 0.36 |
| Percent one race and White | -0.12 | 0.40 |
| Percent one race and Black or African American | 0.09 | 1.11 |
| Median income | 0.07 | 2.27 |
| Percent one race and some other race | 0.07 | 2.33 |
| Percent one race and Native Hawaiian and other Pacific Islander | -0.04 | 5.76 |
| Percent uninsured (health insurance) | -0.02 | 8.24 |
Correlations significant to 5% are shown in bold. Data are from the Florida Department of Health septic tank inspection permits reported in 2012.