Table 2. Fitted random effect model.
| Estimate | Standard error | Z value | P-value | Lower bound | Upper bound |
| 0.9324 | 0.4409 | 2.1148 | 0.0344 | 0.0683 | 1.7965 |
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.