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Results of correlation analysis between HIA and five factors for ten cities in Guangdong.
| Factors | Coefficient of correlation with HIA | P-value for T-test |
|---|---|---|
| Urban size | 0.950 | 0.000 |
| Population density | 0.971 | 0.000 |
| Water proportion | -0.418 | 0.206 |
| Urban mean NDVI value | -0.515 | 0.128 |
| Development area | 0.833 | 0.003 |
