Table 6. Correlation matrix (r-values) between HVI and the original variables used in the PCA.

Variable	Correlation with HVI
LST	0.30	Exposure
Elderly population	-0.03	Sensitivity
Children	0.38
Disable population	0.20
Family structure	0.14
Education	0.39
Unemployment	0.11
Communication	0.06	Adaptive
No water supply	0.44 *
Materials	0.46 *
Medical services	-0.09
Roads	-0.07
NDVI	-0.05

* indicates statistically significant values.