Table 2.
Fit factor scores of 10 participants per group for N95 respirator, ASTM∗ level 3, and ASTM level 2 medical face masks.
| FIT TEST MOVEMENTS | N95 RESPIRATOR, MEAN (SD†) | LEVEL 3 MFM‡, MEAN (SD) | LEVEL 3 MFM + 3D§ FRAME, MEAN (SD) | LEVEL 2 MFM, MEAN (SD) | LEVEL 2 MFM + 3D FRAME, MEAN (SD) |
|---|---|---|---|---|---|
| Bending Over | 185 (42.4) | 4 (1.9) | 160 (46.9) | 7 (5.1) | 160 (60.6) |
| Talking | 177 (38.4) | 6 (3.7) | 137 (61.5) | 13 (7.7) | 70 (31.4) |
| Head Side to Side | 197 (9.8) | 3 (1.0) | 152 (55.4) | 10 (8.6) | 130 (41.0) |
| Head Up and Down | 184 (50.0) | 3 (1.8) | 151 (58.2) | 6 (2.7) | 167 (45.1) |
∗
ASTM: American Society for Testing and Materials.
†
SD: Standard deviation.
‡
MFM: Medical face mask.
§
3D: 3-dimensional printed.