Variable | Year | Supplement |
---|---|---|
AHB_USEM | 2007 | Alternative health |
AHB_USM | 2012 | Alternative health |
AHCHM | 1999 | Sample adult questionnaire |
CHB_USEM | 2007 | Child complementary and alternative medicine |
CHB_USM | 2012 | Child complementary and alternative medicine |
HERBSUPP | 2005 | Sample adult cancer |
HERBSUPP | 2000 | Sample adult questionnaire |
HRB_USEM | 2002 | Alternative health |