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.
Within-site stratified randomization schedule of clinics by number of PCPs.
| Clinics/Units of Randomization (# of PCPs) |
PCP strata size boundaries (# clinics) |
|||
|---|---|---|---|---|
| Recruitment Site |
Small | Medium | Large | |
| Site #1 | 19 (245) | 5 to 10 (7) | 11 to 15 (7) | 16 to 41 (5) |
| Site #2 | 26 (230) | 3 to 6 (9) | 7 to 9 (9) | 10 to 24 (8) |
| Site #3 | 21 (814) | 7 to 29 (7) | 33 to 39 (7) | 43 to 106 (7) |
| Site #4 | 34 (338) | 2 to 4 (12) | 5 to 9 (10) | 11 to 34 (12) |
| Total | 100 (1,627) | |||
