Driven Factors Analysis of China’s Irrigation Water Use Efficiency by Stepwise Regression and Principal Component Analysis

Table 10

Five major driven factors.

Indicators	Regression coefficients	Driven factor level
First industrial output (FIO)	3.774	Very important
Rice planting area proportion (RPA)	−0.516	Important
Grain crop area proportion (GCA)	−0.441	Normal
Average temperature per year (AT)	0.433	Normal
Water price (WP)	0.381	Normal