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.
Background and demographic variables for the present study
| Background variable | Study value | N | Y2000 census data King County, WA |
|---|---|---|---|
| Percent under 40 | 43 % | 1354 | 38 % |
| Percent Caucasian | 85 % | 1354 | 89 % |
| Percent with high school education only | 16 % | 1345 | 21 % |
| Average Gail score ( X , SD) | 12 (1.3) | 1350 | unknown |
| Percent with family history | 35 % | 1349 | unknown |
