Cluster	Variables and dimensions
	Air quality perception in the last ten years	Institutional level that should improve air quality	Information source						Sustainability in private transport	Buy efficiently and sustainably	Adopt behaviors that support the energy efficiency	Adopt behaviors for social reasonability and environmental friendly	Sustainable mobility	Better heating efficiency
	Air quality perception in the last ten years	Institutional level that should improve air quality	web	newspaper	Mobile application	radio	TV	Social network	Sustainability in private transport	Buy efficiently and sustainably	Adopt behaviors that support the energy efficiency		Sustainable mobility	Better heating efficiency
Engaged and proactive	2.49	1.54	0.42	0.28	0.07	0.07	0.34	0.24	0.74	0.35	0.35	0.91	0.99	0.67
Available but …	2.54	3.85	0.45	0.27	0.08	0.09	0.29	0.28	0.44	0.48	0.39	0.42	0.60	0.67
Hesitant	2.62	1.30	0.49	0.30	0.07	0.11	0.29	0.26	−0.29	−0.25	−0.32	−0.38	−0.40	−0.31
Not available	2.65	3.81	0.50	0.30	0.08	0.10	0.23	0.28	−0.34	−0.26	−0.36	−0.41	−0.48	−0.45