Fig. 1From: Measurement instruments for fast and frequent data collection during the early phase of COVID-19 in Germany: reflections on the Mannheim Corona StudyPredicted COVID-19 tracing app adoption rates by access, ability, and willingness. Error bars represent 95% confidence intervals; ©Annelies G Blom, Alexander Wenz, Carina Cornesse, Tobias Rettig, Marina Fikel, Sabine Friedel, Katja Möhring, Elias Naumann, Maximiliane Reifenscheid, Ulrich Krieger. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 02.03.2021Back to article page