Figure 3.
Classification of children depending on the time they spent outdoors in all samples and by ages (Low: <1.6 h a day; Moderate: 1.6–2.7 h a day; High: >2.7 h a day).
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.