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.
Average Weekly Prevalence of All Health Problems and Substantial Health Problems During the 44-Week Study Period
| Prevalence | Mean % | 95% CI | Range |
|---|---|---|---|
| All health problems | 25 | 23-27 | 12-48 |
| Injuries | 20 | 18-22 | 9-35 |
| Acute injuries | 10 | 9-11 | 3-18 |
| Overuse injuries | 10 | 9-11 | 5-20 |
| Illness | 6 | 5-7 | 1-14 |
| Substantial health problems | 16 | 14-17 | 7-27 |
| Injuries | 12 | 11-13 | 6-22 |
| Acute injuries | 7 | 6-8 | 2-13 |
| Overuse injuries | 5 | 4-5 | 3-9 |
| Illness | 4 | 4-5 | 1-9 |
