Socioeconomic Determinants of Mangrove Exploitation and Seagrass Degradation in Zanzibar: Implications for Sustainable Development

Table 4

Multiple regression analysis of socioeconomic factors influencing extraction of mangrove and seagrass resources in the study areas. Mangrove (n= 60, R² =0.614) and seagrass R² =0.562, =statistically significant at 0.05 level of significance.

Mangrove
Variables		Standard error	t	P-value
Age of household head	0.236	0.214	3.738	0.001
Household average annual income	0.564	0.000	10.62	0.001
Marital status of household head	-0.213	0.175	-3.18	0.002
Gender of household head	-0.010	0.418	-0.149	0.882
Household size	-0.217	0.056	-3.937	0.001
Education level of household head	-0.229	0.079	-4.002	0.001
Period of residence of household head	-0.511	0.009	-7.971	0.001
Seagrass
Age of household head	0.168	0.229	2.502	0.013
Household average annual income	0.026	0.148	0.447	0.655
Marital status of household head	0.166	0.188	2.327	0.021
Gender of household head	0.404	0.449	5.695	0.001
Household size	-0.206	0.268	-3.533	0.001
Education level of household head	0.118	0.085	1.920	0.057
Period of residence of household head	0.387	0.010	5.633	0.001