Table 2.
Area-level characteristics for the household location of 93,162 children aged 0–72 months living in 20 counties in or near the Atlanta Metropolitan Statistics area who had a valid venous blood lead test in the years 2010–2018, by BLL category.
| Area-Level Variables |
BLLs < 2 µg/dL | BLLs 2 to <5 µg/dL | BLLs ≥ 5 µg/dL |
|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | |
| Block-level | |||
| Number of blocks | 2075 | 2091 | 876 |
| Number of individuals in the block (median, range) | 11(1–177) | 15(1–513) | 1(1–118) |
| Ages of children in the block | |||
| Under 5 years old (%) | 7.7 ± 4.7 | 7.8 ± 4.6 | 8.4 ± 4.8 |
| Racial composition | |||
| White (%) | 33.2 ± 27.7 | 31.6 ± 26.3 | 29.4 ± 26.3 |
| Black (%) | 55.3 ± 32.2 | 55.3 ± 31.4 | 50.8 ± 30.4 |
| Poverty Status | |||
| Income-Below Poverty (%) | 22.9 ± 15.9 | 23.1 ± 15.8 | 26.6 ± 17.4 |
| Educational Attainment (adults 25+ years) | |||
| No High School Diploma (%) | 16.6 ± 12.5 | 17.3 ± 12.8 | 21.1 ± 14.8 |
| High School Diploma or equivalent (%) | 29.0 ± 11.1 | 28.9 ± 10.6 | 27.1 ± 11.2 |
| College Degree (%) | 55.6 ± 17.0 | 55.1 ± 16.3 | 53.6 ± 17.3 |
| Housing | |||
| House Built before 1980 (%) | 44.1 ± 27.7 | 43.3 ± 27.8 | 52.6 ± 28.2 |
| Total Housing Units/100 | 10.4 ± 6.0 | 10.3 ± 6.1 | 9.2 ± 5.3 |
| 2010 Homeowner (%) | 51.7 ± 27.2 | 51.9 ± 27.2 | 45.1 ± 27.3 |
| 2010 Renter (%) | 48.3 ± 27.2 | 48.1 ± 27.2 | 54.9 ± 27.3 |
| Single Family Home (%) | 61.2 ± 31.1 | 61.8 ± 30.8 | 54.7 ± 31.4 |
| Multi-unit homes (%) | 38.8 ± 31.0 | 38.2 ± 30.8 | 45.2 ± 31.3 |
| Household single female (%) | 22.6 ± 11.1 | 22.8 ± 10.5 | 22.1 ± 9.7 |
| Crime Status | |||
| 2019 Total Crime Index | 173.1 ± 86.2 | 171.7 ± 87.6 | 164.7 ± 79.6 |