| Educational attainment | |||
---|---|---|---|---|
 | Low (≤ 12 years) | High (>12 years) | ||
Model covariates* | Change (in grams) | 95% CI | Change (in grams) | 95% CI |
Cumulative traffic density | -0.7 | -4.3, 3.0 | -0.1 | -1.9, 1.6 |
Distance to major highways | 1.8 | -1.3, 4.9 | 4.9 | 2.8, 7.0 |
% land use for recreation and conservation (open space) | 0.3 | -3.3, 3.8 | 5.5 | 3.1, 8.0 |
 | Median Household Income by census tract†| |||
 | ≤ 50% | >50% | ||
 | Change (in grams) | 95% CI | Change (in grams) | 95% CI |
Cumulative traffic density | -1.7 | -4.6, 1.3 | 0.6 | -1.3, 2.5 |
Distance to major highways | 3.8 | 1.0, 6.5 | 4.1 | 1.5, 6.7 |
% land use for recreation and conservation (openspace) | 4.4 | 1.0, 7.9 | 4.2 | 1.3, 7.1 |