Table 2.
The number of participants (total 154).
| Men | Women | |
|---|---|---|
| Young | 43 | 63 |
| (under 30 yr) | (mean age 22.98 yr) | (mean age 21.02 yr) |
| Middle-aged | 28 | 20 |
| (upper 30 yr) | (mean age 38.82 yr) | (mean age 42.40 yr) |
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.