Table 3. Significant correlations and p-values for estimated mean lead (Pb) soil concentrations and estimated numbers of all individuals, and children ≤6 years of age, by income-to-poverty (ITP) ratio for block groups in urban Areas 4 and 5, rural Areas 6 and 27, and for urban and rural locations.
| All individuals | Children ≤6 years of age | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| <1.00 | 1.00–1.99 | ≥2.00 | <1.00 | 1.00–1.99 | ≥2.00 | |
| Area 4 | 0.43 0.0001 |
NA | NA | 0.38 0.0006 |
NA | NA |
|
| ||||||
| Area 5 | NA | NA | −0.29 0.02 |
NA | NA | −0.26 0.04 |
|
| ||||||
| Area 6 | NA | NA | NA | NA | NA | NA |
|
| ||||||
| Area 27 | NA | NA | NA | NA | NA | NA |
|
| ||||||
| Urbana | NA | NA | −0.24 0.005 |
NA | NA | −0.21 0.01 |
|
| ||||||
| Ruralb | 0.40 0.05 |
NA | NA | NA | NA | NA |
NA not applicable (correlation not significant at α = 0.05 level)
a
Urban: Areas 4 and 5 combined
b
Rural: Areas 6 and 27 combined