Table I.
Mean (±SD) Mass, Length, and Linear Density for Straps for Manufacturer ‘A’ N95 Respirators for Various Age Ranges
| Age range (years) |
N | Mass (g) Upper Lower |
Length Upper |
(mm) Lower |
Linear density (g/mm) Upper Lower |
||
|---|---|---|---|---|---|---|---|
| All | 54 | 1.10 (0.06) | 0.92 0.04) | 29.5 (0.8) | 24.8 (0.8) | 0.037 (0.002) | 0.037(< 0.001) |
| 1 -- 3 | 12 | 1.12 (0.01) | 0.89(< 0.01) | 29.9 (1.2) | 24.1 (0.2) | 0.037 (0.002) | 0.037(< 0.001) |
| 5 -- 8 | 18 | 1.11 (0.04) | 0.95 (0.02) | 29.9 (0.5) | 25.4 (0.5) | 0.037(< 0.001) | 0.038(< 0.001) |
| 8 -- 9 | 12 | 1.09 (0.09) | 0.88 (0.05) | 29.2 (0.5) | 24.0 (0.7) | 0.037 (0.002) | 0.037 (0.001) |
| 9 -- 10 | 12 | 1.06 (0.07) | 0.94 (0.02) | 28.9 (0.6) | 25.1 (0.6) | 0.037 (0.002) | 0.037(< 0.001) |