Table 7.

NCS archive data publication guidelines.

	Data Publication Guidelines
1	Access to personally identifiable information (PII) is not permitted
2	Absolutely no individual level data should be published or made publicly available
3	No attempts at re-identification shall be made
4	All presented count data is of N ≥ 10 (this refers to both data presented and data derivable from a presented table). If an N < 10 is presented or derivable, aggregation of cells or the presentation of percentages (without an N) are acceptable fixes
5	Derived counts refer to tables where multiple rows and columns are presented allowing a careful reader to infer a smaller count
6	Names of geographic areas smaller than the primary sampling unit are not mentioned
7	Any maps of geographic areas provided do not depict secondary sampling units (or smaller)
8	Employers, hospitals, providers, or industries are not named as residing in sampled areas
9	Potential or enrolled participant demographics or health status are not described at the individual level