Table 3.
Mask ratings after seven-night trials
| Mask | Q1: comfort | Q2: leakage | Q3: preference | Q4: recommendation | Q5: tolerance |
|---|---|---|---|---|---|
| 1 | 4 | 3 | 4 | 4 | 4 |
| 8 | 4 | 2 | 3 | 3 | 3 |
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.