Fit and hood testing 3M 1870, Help-It and 3M 1860
| Overall n (%) | Male n (%) | Female n (%) | |
| Fitted for 1870 n=194 | 194 (100) | 67/194 (34.54) | 127/194 (65.46) |
| Hood tested 1870 n=151 | 151/194 (77.84) | 55/151 (36.42) | 96/151 (63.57) |
| Fail 1870 hood test n=19 | 19/151 (12.51) | 3/19 (15.79) | 16/19 (84.21) |
| Hood test Help-It n=143 | 143/194 (73.71) | 48/143 (33.57) | 95/143 (66.43) |
| Fail Help-It hood test n=65 | 65/143 (45.45) | 30/65 (46.15) | 35/65 (53.85) |
| Hood test 1860 n=78 | 78/194 (40.21) | 32/78 (41.03) | 46/78 (58.97) |
| Fail 1860 hood test n=15 | 15/78 (19.23) | 5/15 (33.33) | 10/15 (66.67) |
| Fail 1870+1860 n=3 | 3/194 (1.55) | 1/3 (33.33) | 2/3 (66.67) |
| Fail 1870+Help-It n=5 | 5/194 (2.58) | 3/5 (60) | 2/5 (40) |
| Fail Help-It+1860 n=15 | 15/143 (10.49) | 5/15 (33.37) | 10/15 (66.67) |
| Failure all N95 masks n=2 | 2/194 (1.03) | 1/2 (50) | 1/2 (50) |