| EEA | European Environmental Agency |
| EPIC | European Prospective Investigation into Cancer and Nutrition |
| ESCAPE | European Study Cohorts for Air Pollution Effects |
| IARC | International Agency Against Cancer |
| ILO | International Labour Organization |
| ISCO | International Standard Classification of Occupations |
| NO2 | Nitrogen dioxide |
| NOx | Nitrogen oxides |
| PM10 | Particulate matter with an aerodynamic diameter of less than 10 μm |
| PM2.5 | Particulate matter with an aerodynamic diameter of less than 2.5 μm |
| RII | Relative index of inequality |
| SEP | Socioeconomic position |
| WHO | World Health Organization |