Variable | Year | Supplement |
---|---|---|
PSC_USEM | 2002 | Alternative health |
RX12M | 2022 | In both sample adult and child questionnaires |
RX12M | 2021 | In both sample adult and child questionnaires |
RX12M | 2020 | In both sample adult and child questionnaires |
RX12M | 2019 | In both sample adult and child questionnaires |