2015, 2019, 2023
| Code | Value |
|---|---|
| ETHNIC_ORIGIN | Ethnic origin |
| SKIN_COLOUR | Skin colour |
| GENDER | Gender |
| SEXUAL_ORIENTATION | Sexual orientation (being gay, lesbian or bisexual) |
| OLDER_THAN_55_YEARS | Being over 55 years old |
| UNDER_30_YEARS | Being under 30 years old |
| ROMA | Being Roma |
| TRANSGENDER | Being transgender |
| INTERSEX | Being intersex |
| AGE | Age (being perceived as old, or young) |
| RELIGION | Religion or beliefs |
| DISABILITY | Disability |
| POLITICAL_OPINIONS | Political opinions |
| SOCIAL_CLASS | Social class |
| GEN_PHYS_APPEAR | General physical appearance |
| GENDER_IDENTITY | Gender identity (being transgender or transsexual) |
| OTHER | For another reason |
| NO | No |
| DK | Don't know |