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.
Age, education, and apolipoprotein E allele status in the Nun Study, United States, 1991–2002 (n = 470 subjects)
| Characteristic | No. | % |
|---|---|---|
| Age (years) at baseline (mean (standard deviation)) | 84.3 (5.0) | |
| Education | ||
| ≤High school | 47 | 10.0 |
| Undergraduate degree | 193 | 48.9 |
| Graduate degree | 230 | 41.1 |
| Apolipoprotein E*E4 allele | ||
| Present | 92 | 19.6 |
| Absent | 378 | 80.4 |
