After
considering current and evolving practices and consulting with federal experts on this topic, including members of the Confidentiality and Data Access Committee of the Federal Committee on Statistical Methodology, Office of Management and Budget, we concluded that in general, age is sufficiently broad to be allowed in de-identified information, although all dates that might be directly related to the subject of the information must be removed or
aggregated to the
level of year to prevent deduction of birth dates.
To answer this question, we
considered the extent to which these individual decisions
aggregate up to influence county -
level real estate trading volumes and house prices.