| Variable | Year | Supplement |
|---|---|---|
| EPIEV_A | 2023 | Sample adult questionnaire |
| EPIEV_A | 2022 | Sample adult questionnaire |
| EPIEV_A | 2021 | Sample adult questionnaire |
| EPILEP1 | 2017 | Sample adult questionnaire |
| EPILEP1 | 2015 | Sample adult questionnaire |
| EPILEP1 | 2013 | Sample adult questionnaire |
| EPILEP1 | 2010 | Sample adult questionnaire |
| EPILEPSY | 2008 | Sample adult questionnaire |
| GGCEPILE | 1988 | Child health |