Table 3 Influence index of urban–rural integrated level of Shandong province.
First-level Indices | Second-level Indices | Third-level Indices | Variable |
|---|---|---|---|
The influence of central city | Economic level | Secondary and tertiary industries GDP | X1 |
Fixed assets investment | X2 | ||
Total export–import volume | X3 | ||
City scale | Urban population | X4 | |
Urban construction land area | X5 | ||
Public service | The number of health institutions | X6 | |
The number of secondary schools | X7 | ||
Rural and agricultural development level | Population status | The proportion of high school and secondary school and above | X8 |
The proportion of population in non-agricultural industry | X9 | ||
The proportion of population aged 19–59 years | X10 | ||
Infrastructure | The proportion of village that domestic sewage is treated centralized or partially centralized | X11 | |
The proportion of village that have kindergartens and primary schools | X12 | ||
The proportion of village that have clinics | X13 | ||
Production Situation | The number of tillage equipment | X14 | |
The proportion of agricultural operators that participate in new business organization | X15 | ||
The proportion of large-scale agricultural operators and agricultural business units who sell agricultural products by E-commerce | X16 | ||
Life quality | The proportion of farmers who using purified tap water as a source of drinking | X17 | |
The proportion of farmers who live mainly on gas, natural gas, and liquefied petroleum gas | X18 | ||
Car ownership | X19 | ||
Urban–rural connection | Traffic condition | Road density | X20 |
The proportion of village which have entrance and exit of highway | X21 | ||
The proportion of village that have railway stations | X22 | ||
Transport Capacity | Freight volume | X23 | |
Passenger volume | X24 |
