Table 5 Comparison of eigenvectors divided into two principal component analysis in the current and previous studies
From: Respiratory fit test panel representing population of Malaysia
Head-and-face dimension | First principal component | Second principal component | |||||||
|---|---|---|---|---|---|---|---|---|---|
Current study | NIOSH | Chen et al. | Lin et al. | Current study | NIOSH | Chen et al. | Lin et al. | ||
Head breadth | 0.321552 | 0.372241 | 0.373045 | 0.641031 | -0.336971 | 0.013306 | -0.132683 | 0.032379 | |
Minimum frontal breadth | 0.320164 | 0.343264 | 0.322260 | 0.555771 | -0.119517 | -0.152951 | -0.388836 | -0.434911 | |
Interpupillary distance | 0.373598 | 0.363474 | 0.370307 | 0.766379 | -0.046193 | -0.173099 | -0.159748 | -0.309213 | |
Bizygomatic breadth (face width) | 0.370229 | 0.426498 | 0.422051 | 0.665253 | -0.328873 | -0.039087 | -0.140757 | -0.084469 | |
Menton-sellion length (face length) | 0.341909 | 0.329648 | 0.244826 | 0.644739 | 0.427814 | 0.359799 | 0.568632 | 0.526096 | |
Bigonial breadth | 0.322519 | 0.372717 | 0.328562 | 0.513814 | -0.277722 | -0.093279 | -0.227790 | -0.060759 | |
Nasal root breadth | 0.237469 | 0.202311 | 0.159204 | 0.569534 | -0.062246 | -0.341235 | -0.173192 | -0.294401 | |
Nose breadth | 0.351452 | 0.301125 | 0.321181 | 0.712228 | 0.014767 | -0.210833 | 0.079405 | -0.071652 | |
Subnasale-sellion length (nose length) | 0.233678 | 0.193650 | 0.297905 | 0.426506 | 0.550071 | 0.584261 | 0.528574 | 0.724967 | |
Nose protrusion | 0.249034 | 0.113578 | 0.237882 | 0.469558 | 0.441644 | 0.551842 | 0.308739 | 0.246291 | |