[1] "NOTE for HWTGBMI : CCHS 2001 restricts BMI to ages 20-64"
[1] "NOTE for HWTGBMI : CCHS 2001 and 2003 codes not applicable and missing
variables as 999.6 and 999.7-999.9 respectively, while CCHS 2005 onwards codes
not applicable and missing variables as 999.96 and 999.7-999.99 respectively"
[1] "NOTE for HWTGBMI : Don't know (999.7) and refusal (999.8) not included
in 2001 CCHS"
Feature now included in cchsflow 1.2.0 Ex: