User Notes

Sample Sizes: Number of HH and Personal Records in IHIS, by year.

Sample Design: Overview of the NHIS sample design.

Sampling Weights: Overview of sampling weights in the IHIS.

Variance Estimation: General guidance on analysis and variance estimation
with IHIS data.

Link NHIS Public Use Files to IHIS Data: Link additional variables from the original NHIS public use files (that are not yet in the IHIS system) to an IHIS data extract.