Table 3 Adjusted* model estimates of main effects and interactions on census tract-level life expectancy in years (with 95% confidence intervals) overall for all census tracts and by Gini quintile (Boldface = p < 0.05)
Population density quintile** | Median household income quintile*** | Population density X Median household income | |
|---|---|---|---|
Overall | |||
Main effects | − 0.13 (− 0.15, − 0.11) | 1.11 (1.08, 1.13) | |
With interaction term | − 0.17 (− 0.21, − 0.13) | 1.06 (1.02, 1.10) | 0.015 (0.004, 0.027) |
Q1 (lowest Gini) | |||
Main effects | − 0.13 (− 0.17, − 0.09) | 1.00 (0.95, 1.05) | |
With interaction term | − 0.33 (− 0.44, − 0.23) | 0.80 (0.70, 0.90) | 0.061 (0.032, 0.090) |
Q2 | |||
Main effects | − 0.18 (− 0.22, − 0.14) | 1.08 (1.03, 1.13) | |
With interaction term | − 0.32 (− 0.41, − 0.23) | 0.95 (0.85, 1.04) | 0.045 (0.019, 0.072) |
Q3 | |||
Main effects | − 0.18 (− 0.22, − 0.14) | 1.10 (1.05, 1.16) | |
With interaction term | − 0.27 (− 0.35, − 0.18) | 1.02 (0.93, 1.11) | 0.029 (0.004, 0.055) |
Q4 | |||
Main effects | − 0.12 (− 0.16, − 0.07) | 1.12 (1.07, 1.18) | |
With interaction term | − 0.13 (− 0.21, − 0.05) | 1.11 (1.02, 1.20) | 0.005 (− 0.020, 0.030) |
Q5 (highest Gini) | |||
Main effects | − 0.07 (− 0.12, − 0.03) | 1.00 (0.94, 1.06) | |
With interaction term | − 0.01 (− 0.09, 0.08) | 1.07 (0.97, 1.17) | − 0.023 (− 0.049, 0.002) |