Table 5.
Principal component analysis (PCA) for urban vulnerable population (n = 54).
| Components | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Eigenvalue | 2.575 | 2.112 | 1.606 | 1.372 | 1.34 |
| % of Variances | 18.396 | 15.087 | 11.469 | 9.801 | 9.572 |
| Cumulative % | 18.396 | 33.483 | 44.951 | 54.752 | 64.324 |
| Rotated factor pattern: Varimax rotation method | |||||
| Variables | |||||
| Health morbidity | 0.855 | −0.047 | 0.274 | −0.002 | 0.025 |
| Medicine intake | 0.848 | 0.002 | 0.26 | 0.054 | 0.062 |
| Age | 0.675 | 0.133 | −0.258 | −0.152 | 0.001 |
| Occupation type | 0.029 | 0.828 | −0.081 | 0.118 | −0.097 |
| Ceiling availability | 0.111 | −0.742 | −0.057 | 0.325 | −0.02 |
| Residency duration | 0.198 | 0.683 | 0.268 | 0.183 | −0.12 |
| Ceiling height | −0.253 | −0.017 | −0.749 | −0.132 | 0.332 |
| Building age | 0.018 | 0.105 | 0.712 | −0.219 | 0.211 |
| Body mass index (BMI) | 0.021 | 0.068 | 0.058 | −0.757 | 0.146 |
| Educational level | −0.459 | 0.041 | 0.381 | 0.522 | 0.07 |
| Gender | 0.066 | -0.407 | 0.287 | −0.516 | −0.174 |
| Smoking | 0.03 | -0.015 | −0.045 | 0.305 | 0.816 |
| Daily water intake (liter) | −0.188 | 0.072 | −0.208 | 0.284 | −0.594 |
| Physical activity level | 0.125 | 0.107 | 0.184 | 0.316 | −0.485 |
Variable is significantly loaded at ≥ 0.4.
Extraction Method: Principal Component Analysis (Eigenvalue > 1.0).
Rotation Method: Varimax with Kaiser Normalization.
KMO value: 0.504, Bartlett’s test: p < 0.001.