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