In previous blogposts, we have already discussed the sociodemographics and spatial distribution of donors.
In this blogpost, we will again look at the sociodemographic composition and spatial distribution of donors. For the analysis, we will look at two selection levels each and compare them with the actual population composition (Census update, as of 12/31/2019). To do this, we look at sociodemographic and spatial distribution using three variables: spatial distribution at the state level (classified using the first three digits of the given zip code), gender, and age (recorded in categories of 10). In the first group, the data of the self-report at new registration of all data donors are analyzed, in the second group the data of the sub-study “tests, symptoms and living situation”. We would like to investigate two questions: