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| Exogenous factor | Symbol | Definition |
|---|---|---|
| Economy | Inc | Median monthly domestic household income |
| PoDa | Poverty situation of persons with disabilities | |
| Demography | PD | Population density |
| PA65 | Proportion of population aged 65 and over | |
| Geography | LA | Land area |
| POD/C | Proportion of patients come from the other districts (clusters) | |
| Education | PE | Proportion of non-student population aged 20 and over having attained post-secondary education |
