What is the different about the confidential microdata only available through the NORC data enclave?
There are two different versions of the KFS dataset available to researchers, a public-use microdata set and a more detailed confidential microdata set. The main differences between the two are that the confidential dataset has five-digit industry (NAICS) codes, geographical detail such as zip code, state, and metropolitan statistical area (MSA), and various continuous variables that are not on the public-use file. The public-use file has two-digit industry codes and no geographical detail.