Variable | Year | Supplement |
---|---|---|
CDT_PRT | 2007 | Child complementary and alternative medicine |
CDT_USM4 | 2012 | Child complementary and alternative medicine |
DITUSEM4 | 2007 | Alternative health |
DITUSEM4 | 2002 | Alternative health |
DIT_USM4 | 2012 | Alternative health |