Table 4:
Summary of the Estimation
| Pre-ADA | Post-ADA | Δt | ΔΔ | |
|---|---|---|---|---|
| No Protection | β3 | β2 + β3 + β4 | β2 + β4 | |
| Protection | - | β2 | β2 | |
| Δs | β3 | β3 + β4 | β4 | |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.