Power to detect spatial disturbances under different levels of geographic aggregation.
Spatio and/or temporal surveillance systems are designed to monitor the ongoing appearance of disease cases in space and time, and to detect potential disturbances in either dimension. Patient addresses are sometimes reported at some level of geographic aggregation, for example by ZIP code or census tract. While this aggregation has the advantage of protecting patient privacy, it also risks compromising statistical efficiency. This paper investigated the variation in power to [...]
Author(s): Jeffery, Caroline, Ozonoff, A, White, Laura F, Nuño, Miriam, Pagano, Marcello
DOI: 10.1197/jamia.M2788