Fit factors of N95 mask (n=183)
| 1 | 2 | 3 | 4 | 5 | 7 | 8 | Overall fit factor | |
|---|---|---|---|---|---|---|---|---|
| Mean±SD (min-max) | ||||||||
| Aa (n=48) | 130.47±75.08 (0.80-200.00) |
134.57±76.67 (0.80-200.00) |
115.94±80.96 (1.30-200.00) |
101.78±74.81 (1.30-200.00) |
123.43±80.03 (1.30-200.00) |
74.89±73.85 (2.20-200.00) |
112.91±86.69 (2.20-200.00) |
82.95±69.38 (1.40-200.00) |
| Bb (n=92) | 147.27±61.17 (0.40-200.00) |
151.97±57.54 (18.00-200.00) |
138.72±63.42 (13.00-200.00) |
132.92±64.31 (6.30-200.00) |
134.08±65.91 (12.00-200.00) |
94.37±67.60 (4.20-200.00) |
135.74±64.54 (4.60-200.00) |
104.67±54.36 (3.30-200.00) |
| Cc (n=43) | 27.07±34.74 (1.30-200.00) |
30.48±37.37 (2.00-200.00) |
20.24±24.06 (3.00-200.00) |
20.37±28.61 (2.50-200.00) |
30.32±42.00 (2.40-200.00) |
15.09±16.45 (2.50-200.00) |
25.78±43.07 (2.60-200.00) |
17.64±20.52 (0.80-200.00) |
| Tota1 | 114.75±78.04 (0.40-200.00) |
118.86±77.20 (0.80-200.00) |
104.90±78.36 (1.30-200.00) |
98.31±75.80 (1.30-200.00) |
106.90±77.87 (1.30-200.00) |
70.63±69.08 (2.20-200.00) |
103.79±80.29 (2.20-200.00) |
78.52±63.60 (0.80-200.00) |
| χ2 | 72.69 | 73.02 | 79.01 | 75.24 | 57.34 | 57.29 | 64.86 | 71.62 |
| <.001 |
<.001 |
<.001 |
<.001 |
<.001 |
<.001 |
<.001 |
<.001 |
|
| a,b>c | a,b>c | a,b>c | b>a>c | a,b>c | a,b>c | a,b>c | a,b>c | |
A: 8210, 3M, cup/11-shaped rubber band/free, B: N95 86727/86827, Halyard Health, Inc., folding/11-shaped rubber band/medium, C: 201 N95, Dobu Life TECH Co., folding/earring rubber band/medium.
1: Normal breathing, 2: Deep breathing, 3: Turning head side to side, 4: Moving head up and down, 5: Talking, 7: Bending over, 8: Normal breathing.
*Kruskal–Wallis test.
a,b,cAnalyzed by Scheffé test.
Korean J healthc assoc Infect Control Prev 2021;26:108~114 https://doi.org/10.14192/kjicp.2021.26.2.108
© Korean J healthc assoc Infect Control Prev