file type identifier
year of national health interview survey
household serial number
interview quarter
assignment week
family #
person number (within family)
weight - final annual disability questions tests 2010 file
pseudo-stratum for public-use file variance estimation
pseudo-psu for public-use file variance estimation
disability questions tests flag
is--deaf or have serious difficulty hearing?
is--blind or have serious difficulty seeing even when wearing glasses?
does--have serious difficulty concentrating, remembering, or making decisions?
does--have serious difficulty walking or climbing stairs?
does--have difficulty dressing or bathing?
does--have difficulty doing errands?