Variable | Year | Supplement |
---|---|---|
PLEXCHOP | 2022 | In both sample adult and child questionnaires |
PLEXCHOP | 2021 | In both sample adult and child questionnaires |
PLEXCHOP | 2020 | In both sample adult and child questionnaires |
PLEXCHOP | 2019 | In both sample adult and child questionnaires |
PLEXCHOP | 2018 | Person (core questionnaire) |
PLEXCHOP | 2017 | Person (core questionnaire) |
PLEXCHOP | 2016 | Person (core questionnaire) |