Respondent sequence number
Data release cycle
Interview/Examination status
Gender
Age in years at screening
Age in months at screening - 0 to 24 mos
Race/Hispanic origin
Race/Hispanic origin w/ NH Asian
Six month time period
Country of birth
Length of time in US
Education level - Adults 20+
Marital status
Pregnancy status at exam
Language of SP Interview
Proxy used in SP Interview?
Interpreter used in SP Interview?
Language of Family Interview
Proxy used in Family Interview?
Interpreter used in Family Interview?
Language of MEC Interview
Proxy used in MEC Interview?
Interpreter used in MEC Interview?
Language of ACASI Interview
Full sample interview weight
Full sample MEC exam weight
Masked variance pseudo-PSU
Masked variance pseudo-stratum
Ratio of family income to poverty