While there has been other research examining the health consequences of food insecurity among seniors, they don't use nationally representative data sets. (sciencedaily.com)
Public health surveillance surveys represent an important opportunity to collect representative data on the extent of behaviors or experiences that threaten the health of young people and to examine associations among these risk factors. (jamanetwork.com)
What you would do is set up a good number of representative data collection points. (wattsupwiththat.com)