Table 6 K-mean cluster analysis summary... | Emerald Publishing

Table 6

K-mean cluster analysis summary and attitudinal group characteristic table

Variable	Cluster 1: Realist supportive (n = 40)	Cluster 2: Optimistic enthusiasts (n = 18)
Pattern description	Strong supporters of Earthship sustainability features, but moderately concerned about regulatory, awareness, and financial barriers to implementation	Highly positive toward Earthship benefits, showing less concern about construction and financing barriers, suggesting greater optimism toward practical adoption
Age group	79.2% under 45 years old; 61.8% over 45 years old	20.8% under 45 years old; 38.2% over 45 years old
Professional background	Majority in built environment (82.4%) and sustainability (83.3%) sectors	Smaller representation across all professional groups
Dwelling type	70.6% urban; 66.7% rural	29.4% urban; 33.3% rural
Education level	Broad spread across qualifications; Master's holders more common (77.8%)	Broader spread, slightly higher Bachelor's degree proportion (36.4%)

Variable	Cluster 1: Realist supportive (n = 40)	Cluster 2: Optimistic enthusiasts (n = 18)
Pattern description	Strong supporters of Earthship sustainability features, but moderately concerned about regulatory, awareness, and financial barriers to implementation	Highly positive toward Earthship benefits, showing less concern about construction and financing barriers, suggesting greater optimism toward practical adoption
Age group	79.2% under 45 years old; 61.8% over 45 years old	20.8% under 45 years old; 38.2% over 45 years old
Professional background	Majority in built environment (82.4%) and sustainability (83.3%) sectors	Smaller representation across all professional groups
Dwelling type	70.6% urban; 66.7% rural	29.4% urban; 33.3% rural
Education level	Broad spread across qualifications; Master's holders more common (77.8%)	Broader spread, slightly higher Bachelor's degree proportion (36.4%)

Source(s): Authors' own work