NHIS Sources

Variable Year Supplement
OTH1D_Y2 2003 Child immunization
OTH1D_Y2 2002 Child immunization
OTH1D_Y2 2001 Child immunization
OTH1D_Y2 2000 Child immunization
OTH1D_Y2 1999 Child immunization
OTH1D_Y2 1998 Child immunization
OTH1D_Y2 1997 Child immunization