Socio-economic variables | Coefficient | Std. Error | z-value | P-value |
---|---|---|---|---|
Ratio of urban to rural population | 0.16 | 0.05 | 3.51 | 0.00** |
Proportion of the tertiary industry | 0.02 | 0.01 | 2.24 | 0.03* |
Per capita GDP | 1.10 | 0.33 | 3.30 | 0.00** |
Proportion of the second industry | 0.02 | 0.01 | 1.73 | 0.08 |
High school penetration rate | 0.002 | 0.01 | 0.28 | 0.78 |
Per capita income of farmers | −4.73 | 5.35 | −0.88 | 0.38 |
Population density of children under five | −0.05 | 0.03 | −1.63 | 0.10 |