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.
| Controls | Cases | |
|---|---|---|
| n = 4221 | n = 454 | |
| University | 1391 (33%) | 157 (35%) |
| Upper secondary school | 1967 (47%) | 202 (44%) |
| Compulsory school | 863 (20%) | 95 (21%) |
Fisher’s exact test for highest level of education did not show any significant differences between exposed and unexposed individuals (p = 0.6718).
