Table 2.
Summary of the test results from the fit tests for the different respirator models
| Respirator | Number of tests | Used as the main respirator (%) | FF ≥ 100∗ (%) | Passed† (%) | Comfort score‡ (SD) |
|---|---|---|---|---|---|
| A | 83 | 24 | 89 | 80 | 3.6 (1.1) |
| B | 98 | 50 | 70 | 45 | 3.3 (1.3) |
| C | 76 | 0 | 36 | 19 | 2.5 (1.3) |
| D | 24 | 0 | 96 | 87 | 3.3 (1.1) |
| E | 73 | 16 | 88 | 77 | 3.3 (1.0) |
| F | 25 | 3.9 | 84 | 36 | 3.3 (1.1) |
| G | 78 | 0 | 96 | 92 | 3.3 (1.2) |
| H | 27 | 0 | 100 | 100 | 4.2 (0.80) |
| I | 47 | 0.7 | 53 | 30 | 2.6 (1.1) |
| J | 21 | 1.4 | 90 | 62 | 3.3 (1.2) |
| K | 49 | 0 | 84 | 76 | 3.4 (1.0) |
| L | 50 | 0 | 90 | 72 | 3.6 (1.0) |
| M | 21 | 0 | 71 | 48 | 3.1 (0.99) |
| N | 29 | 0 | 69 | 52 | 2.0 (0.89) |
| Total | 701 | 96 | 78 | 62 | 3.2 (1.2) |
FF, fit factor; SD, standard deviation.
∗
Percentage of workers with an overall fit factor (FF) ≥100.
†
The criterion to pass the test was an FF ≥ 100 on all the individual exercises.
‡
The comfort score was from 1 to 5.