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.
Sample competency questions
| Topic | Ontology | Question |
| Demographics | PCORowl | Who has identified as Asian |
| according to both OMB and | ||
| PCORnet CDM guidelines? | ||
| Marital status/households | MIDAS | Who are the married |
| householders according to the | ||
| U.S. Census? | ||
| Roles and organization | CAFÉ | How many anesthesiologists |
| does institution x have on staff? |
