0.5 second audio snippet captured by the app (coughs and non-coughs).
Non-onboarding elicited coughs
Forced or voluntary coughs collected via the "Solicit coughs" feature.
The initial coughs collected from a participant at enrollment, prior to "longitudinal" monitoring.
The cough collected during continuous monitoring period after onboarding.
Participant for whom at least 3 onboarding coughs have been registered.
Longitudinally activated participant
Participant for whom at least 5 minutes of longitudinal tracking has been registered.
A signal, generated every ten minutes, to indicate that the app is actively tracking coughs longitudinally (used to determine tracked person-time).