Validation of survey-based health indicators through health app data

AAPOR 76th Annual Conference
,
(virtual conference)
,
10/05/2021 - 13/05/2021
, 2021
Kapousouz, Evgenia, Christoph Beuthner, Florian Keusch, Henning Silber, Bernd Weiß, Timothy P. Johnson