Table 9.
Age of children in study samples.
| Age of children in study | No. of studies | % of total |
|---|---|---|
| Age 4–6 | 4 | 22% |
| Age 7–9 | 10 | 56% |
| Age 10–12 | 4 | 22% |
| Total | 18 | 100% |
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.