Fig. 2From: Walkability and its association with prevalent and incident diabetes among adults in different regions of Germany: results of pooled data from five German cohortsWalk polygons with hexagon centroids and vertrices. The figure shows one area of Essen city (Heinz Nixdorf Recall study area). For creating the map, OpenStreetMap data was used. OpenStreetMap® is open data, licensed under the Open Data Commons Open Database License by the OpenStreetMap Foundation. Note to the journal: please use colours for printBack to article page