Table 2. Endogenous Variable Disturbancea, Health Outcomes in Counties of Eight States in the Mississippi River Delta Region, 2014.
| Variable | Estimate (SE) | t Value |
|---|---|---|
| Delta counties | ||
| Mortalityb | 0.33 (0.04) | 9.26 |
| Self-rated fair or poor health | 0.66 (0.05) | 13.04 |
| Low birth weight | 0.20 (0.02) | 8.48 |
| Non-Delta counties | ||
| Mortalityb | 0.22 (0.02) | 10.86 |
| Self-rated fair or poor health | 0.41 (0.03) | 12.49 |
| Low birth weight | 0.31 (0.03) | 11.56 |
Abbreviation: SE, standard error.
a
Similar to a residual in regression modeling: a disturbance represents the unexplained variance (or omitted causes) of an outcome variable.
b
Defined as years of potential life lost (YPLL) before age 75, a measure of premature, or preventable, death.