Table 2. Proportions of passing user seal checks (USCs) and Isoamyl acetate (IAA) fit tests by respirator brands.
| Variable | Seal check | IAA Fit test |
Kappa
(k) |
95% CI for k | ||||
|
|
|
|||||||
| Brand/Size |
Pass
N(%) |
Fail
N(%) |
Pass
N(%) |
Fail
N(%) |
Lower | Upper | ||
| 3M (M) | 11 (26.80) |
30 (73.20) |
9 (22.0) |
32 (78.0) |
0.87 | 0.66 | 1.0 | |
| MSA (M) | 5 (12.20) |
36 (87.80) |
1 (2.40) |
40 (97.60) |
0.30 | 0.0 | 0.79 | |
| DUO (OSFA) | 5 (12.20) |
36 (87.80) |
1 (2.40) |
40 (97.60) |
0.30 | 0.0 | 0.72 | |
| Climax (OSFA) | 2 (4.90) |
39 (95.10) |
2 (4.90) |
39 (95.10) |
0.47 | -0.04 | 1.0 | |
| S | 4 (9.76) |
37 (90.24) |
2 (4.90) |
39 (95.10) |
0.64 | 0.0 | 1.0 | |
| M | 7 (17.10) |
34 (82.90) |
6 (14.60) |
35 (85.40) |
0.91 | 0.64 | 1.0 | |
| AoSafety | ||||||||
| L | 6 (14.60) |
35 (85.40) |
4 (9.76) |
37 (90.24) |
0.77 | 0.30 | 1.0 | |
|
All
sizes |
17 (41.50) |
24 (58.50) |
12 (29.30) |
29 (70.70) |
0.74 | 0.54 | 0.91 | |
OSFA: One size fits all
S: Small
M: Medium
L: Large