From: Reuse of face masks among adults in Hong Kong during the COVID-19 pandemic
Performance | Mean | SD |
---|---|---|
Day of use (per mask) | 2.5 | 5.5 |
 | Frequency | Percentage |
Storage of used face masks (practice) | ||
 Yes | 207 | 60.0 |
 No | 138 | 40.0 |
Storage of used face masks (method)* | ||
 Placing the face mask inside a pocket | 85 | 24.6 |
 Placing the facemask inside a plastic bag | 110 | 31.9 |
 Placing the face mask inside a paper bag | 100 | 29.0 |
 Covering the face mask by tissue paper | 198 | 57.4 |
 Others | 9 | 2.6 |
Decontamination of used face masks (practice) | ||
 Yes | 115 | 32.2 |
 No | 242 | 67.8 |
Decontamination of used face masks (method)** | ||
 Using alcohol | 40 | 11.6 |
 Using detergent | 9 | 2.6 |
 Using sunlight | 42 | 12.2 |
 Using UV light | 11 | 3.2 |
 Using steam | 8 | 2.3 |
 Using iron heat | 5 | 1.4 |
 Using wind | 82 | 23.8 |
 Others | 3 | 0.9 |