Urban Households' Willingness to Pay for Improved Solid Waste Disposal Services in Kumasi Metropolis, Ghana

Table 3

Tobit regression results of factors influencing the amount of money respondents are willing to pay for improved waste management services.

Independent variable	Coefficient	Std. errors	𝑃>𝑧	Marginal effect
Age	0.2376	0.0854***	0.005	0.4724
Gender	3.0367	2.2908	0.185	0.8780
Marital status	−0.6668	2.9889	0.823	0.8780
Number of children	−0.5199	0.6764	0.442	2.0731
Income	−0.0100	0.0018***	0.000	0.1126
Education	0.5215	0.2331**	0.025	14.6341
Length of stay	−0.5231	0.1669***	0.002	8.9268
House ownership	6.1376	2.1265***	0.004	0.7560
Bags of waste generated	0.2996	0.0993***	0.003	17.3171
Distance	−0.0172	0.0059***	0.004	182.8540
	Goodness of fit measures
𝑅-squared			0.6962
Adj. 𝑅-squared			0.6714

∗∗∗Significant at 1%; ∗∗significant at 5%.