Impact of energy affordability on the decision-making of rural households in ecologically fragile areas of Northwest China regarding clean energy use

Table 15 Baseline regression results

Variable	Regression 1	Regression 2	Regression 3	Regression 4
Income growth	0.025*** (0.001)	0.025*** (0.001)
Subsidy growth			0.063*** (0.001)	0.063*** (0.001)
Gender		− 0.073*** (0.023)		− 0.081*** (0.022)
Age		0.073*** (0.019)		0.086*** (0.018)
Education		0.149*** (0.026)		0.124*** (0.025)
Family size		0.008 (0.007)		0.023*** (0.007)
Income type		0.357*** (0.015)		0.305*** (0.014)
Income-level		0.011 (0.012)		0.060*** (0.012)
R²	0.163	0.243	0.233	0.299

*, * *, * * * indicate the 10, 5, and 1% significance levels, respectively; standard errors are in parentheses

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