Variable | Year | Supplement |
---|---|---|
INCSSISSDI | 2022 | In both sample adult and child questionnaires |
INCSSISSDI | 2021 | In both sample adult and child questionnaires |
INCSSISSDI | 2020 | In both sample adult and child questionnaires |
INCSSISSDI | 2019 | In both sample adult and child questionnaires |