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.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Booster seat use (reported or observed) | 3 | 1898 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.32 [1.12, 1.55] |
