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.
Parameter Estimates from Hierarchial GEE with within-cluster resampling 100 block of 50 consecutive trips separated by 50 trips. An OU process working correlation structure was used in the GEE estimation.
| Variable (β) | Posterior Mean | 95% CI |
|---|---|---|
| Passenger Adult vs. None | −0.942 | −1.079 to −0.777 |
| Passenger Teen vs. None | −0.211 | −0.301 to −1.05 |
| Late Night Driving vs Day | −0.274 | −0.528 to −0.342 |
| Early Evening vs Day | −0.446 | −0.528 to −0.342 |
| Having Risky Friends | 0.647 | 0.104 to 1.191 |
