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.
Descriptive statistics of CHESS service use measures (four-month period)
| CHESS services | M | Mdn | SD | Min. | Max. |
|---|---|---|---|---|---|
| Information service | |||||
| # of days | 4.7 | 3.0 | 5.2 | 0 | 35.0 |
| Interactive service | |||||
| # of days | 4.7 | 3.0 | 4.8 | 0 | 27.0 |
| Discussion group | |||||
| # of days | 15.2 | 5.0 | 23.1 | 0 | 108.0 |
| Ask an Expert | |||||
| # of days | 3.2 | 1.0 | 5.4 | 0 | 38.0 |
