Illness tracking in SARS-CoV-2 tested
persons using a smartphone app:
a non-interventional, prospective, cohort study
Thibault Lovey
19.04.2022
Background
Range, severity and duration of
symptoms in young adults
Young persons with mild illness or
who are asymptomatic
Impact of the infection on life quality in
young adults
Prospective,
cohort study
Socio-
demographic
characteristics
and health
determinants
Follow-up
time and
participation
Odds ratio of
symptom
occurrence
Impact of
symptoms on
daily activities
Time in weeks
to resolution of
symptoms
Impact of
symptoms on daily
activities
Geolocation of ITITP participants
Strength
•Strong and collaborative response to the call for participants
•Study population was homogenous, young and familiar with
smartphone and app technology
Limitations
•Retention and the enthusiasm declined over the year of
follow-up
•Gender imbalance
Take home-message
•Feasible to remotely monitor symptoms in persons infected
with SARS-CoV-2
•Those who tested positive for SARS-CoV-2 reported
significantly more symptoms that are typical of COVID-19
•Tiredness was the single symptom that was rated as having
a major impact on daily activities
