Survey on Households and the Environment 
Classification by socioeconomic variables of the selected person
Percentage of persons aged 16 years old and more concerned about the environment, by type of employment and environmentally-mindedness (concern, knowledge, detection of problems)
Units: %  over the total persons

	Concerned about the environment: Total	Very concerned about the environment	Have had knowledge a campaign for environmental protection	Have detected an environmental problem in their surroundings	
TOTAL	96.6	80.2	63.6	31.5	
Works freelance	97.0	81.1	63.7	32.5	
Only working for others	96.5	80.0	63.5	31.3	
1. With permanent contract	96.9	81.7	64.1	30.8	
2. With a temporary or determined duration contract	94.1	70.6	60.4	33.7	
Does not know/ Does not answer	87.8	81.8	76.3	46.6	
Notes:
Source: National Statistics Institute