Table 3 Comparison of mean droplet density across all tasks when wearing a face mask.
From: Spatiotemporal droplet dispersion measurements demonstrate face masks reduce risks from singing
Task | Mean ± SD | Ratio (95% CI) | P-value |
|---|---|---|---|
Note | 0.10 ± 0.35 | 1 | < 0.001 |
Exhale | 1.81 ± 6.97 | 10.2 (9.91, 10.5) | |
Hello | 0.49 ± 1.72 | 3.96 (3.85, 4.07) | |
Snake | 0.14 ± 0.41 | 1.49 (1.44, 1.54) | |
Happy Birthday | 0.35 ± 0.74 | 5.00 (4.84, 5.16) |
