IPUMS NHIS is IPUMS’ harmonized version of the National Health Interview Survey. You can see other IPUMS datasets at ipums.org; perhaps you searched for CHIPXCHG in one of our other harmonized datasets.
IPUMS NHIS is IPUMS’ harmonized version of the National Health Interview Survey. You can see other IPUMS datasets at ipums.org; perhaps you searched for CHIPXCHG in one of our other harmonized datasets.