- id
Unique identifier (1-2500)
- age
Age in years (18-95)
- gender
Gender (Male, Female)
- region
Region (East, West)
- education
Education level (Basic Secondary, Intermediate Secondary, Academic Secondary, University)
- income
Monthly household income in EUR (800-15000)
- employment
Employment status (Student, Employed, Unemployed, Retired, Other)
- political_orientation
Political orientation (1=very left to 5=very right)
- environmental_concern
Environmental concern (1=not concerned to 5=very concerned)
- life_satisfaction
Life satisfaction (1=very dissatisfied to 5=very satisfied)
- trust_government
Trust in government (1=no trust to 5=complete trust)
- trust_media
Trust in media (1=no trust to 5=complete trust)
- trust_science
Trust in science (1=no trust to 5=complete trust)
- sampling_weight
Post-stratification sampling weight (0.7-1.4)
- stratum
Stratification variable combining region and age group
- interview_mode
Interview mode (Face-to-face, Telephone, Online)