Data Collection
Data Collection
Data is collected in 3 different ways:
Clinical evaluation by phone call or directly in your medical file for hospitalized participants, to fill in the CRF (Case Report Form) adapted from ISARIC core CRF (PDF in English / French).
Online questionnaires: Adults and children above 10 years will be asked to complete an online questionnaire on your health once a day, for 14 days, then once a week for the next two weeks and once a month during the year. The last monthly questionnaire will be more detailed in order to evaluate long-term health related consequences of Covid-19 (more information). Children questionnaires have been adapted with the contribution of pediatric specialists.
Voice recording using the Colive LIH smartphone application: Adults and children above 10 years will be offered to participate in audio recordings regularly, with the same frequency as for the online questionnaires (more information on the Colive LIH app which can be viewed in French here).
A summary of frequency and content of the data collection is shown in the table below.
| Predicovid participants | Predicovid-H participants (household members) |
| CRF completed at inclusion | CRF completed at inclusion |
| Permanent questionnaire (at inclusion): basic characteristics, comorbidities, current treatments, socio-demographic data | Permanent questionnaire (at inclusion): basic characteristics, comorbidities, current treatments |
| Daily questionnaires from J0 (date of inclusion) to J14 : reporting of daily symptoms related to Covid-19 | Daily questionnaires from J0 (date of inclusion) to J14 (if participant remains negative for Covid-19) |
| Weekly questionnaire at week 3 and week 4: Health perception, fatigue severity scale (FSS), respiratory quality of life (VQ11) | |
| Short monthly questionnaires from month 2 (M2) to M11: Health perception, sleeping hours, quality of life (SF12), respiratory quality of life (VQ11) | |
| Adult questionnaires M12-M15-M24 to evaluate long-term consequences of Covid-19 (detailed symptoms or diseases, PSQI scale, SF12, VQ11) |
To access the detailed CRF and questionnaires:
| Predi-COVID – Adults • Permanent questionnaire • Daily questionnaires (D0-D14) • Weekly questionnaires (W3 & W4) • Monthly questionnaires (M2-M11) • Long Covid questionnaire (M12, M15 and M24) | Predi-COVID – Children • Permanent questionnaire • Daily questionnaires (D0-D14) • Weekly questionnaires (W3 & W4) • Monthly questionnaires (M2-M11) |
| Predi-COVID-H – Adults • Permanent questionnaire • Daily questionnaires (Do-D14) | Predi-COVID-H – Children (no permanent questionnaire) • Daily questionnaires (D0-D14) |
Colive LIH App
Colive LIH is a smartphone application developed by the IT team of DOPH from LIH and available on both Apple and Google play stores.
The app enables the collection of participant’s voice recordings with the objective of identifying vocal biomarkers associated with frequent symptoms related to COVID-19 (such as fatigue or respiratory problem).
Each participant is invited to perform 2 different voice recordings daily over 14 days, then weekly until week 4 and monthly until month 12. A first recording consists in reading a predefined text, while a second one consists in saying “Aaaaah” as long as possible.
Languages supported: French, German, Portuguese and English.
More information on the Colive LIH app is available in French, here.
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