Table 1 Main information collected in the framework of the COHESION Study Phase 1 prospective follow-up (June 2020 to July 2021)

 COVID-19 infection status

At the questionnaire administration point

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 COVID-19-pandemic-related perceptions

At the questionnaire administration point

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 Anti-COVID-19 measures compliance

At the questionnaire administration point

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 Position towards anti-COVID-19 vaccine

At the questionnaire administration point

X

X

X

X

X

X

 Anti-COVID-19 vaccination status

At the questionnaire administration point

X

X

X

X

X

 General health

SF-12 (first item only)

During the past 2 weeks

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 Well-being

WHO-5 Index

During the past 2 weeks

X

X

X

X

X

 Loneliness

UCLA 3-item loneliness score

During the past 2 weeks

X

X

X

X

X

X

X

X

X

X

X

X

X

 Anxiety symptoms

7-item Generalized Anxiety Disorder (GAD-7)

During the past 2 weeks

X

X

X

X

X

X

X

X

 Depression symptoms

9-item Patient Health Questionnaire (PHQ-9)

During the past 2 weeks

X

X

X

X

X

X

X

X

 Psychological distress symptoms

6-item Psychological Distress Scale (Kessler-6)

During the past 2 weeks

X

X

X

X

X

X

X

X

X

X

X

 Outdoor mobility

VERITAS

During the past 7 days

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 Social interactions

VERITAS

During the past 7 days

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 Sleep credit

Pittsburgh Sleep Quality Index

During the past month

X

X

X

X

X

X

X

X

X

 Substance use ^a

Frequency questionnaire

During the past 2 weeks

X

X

X

X

X

X

X

X

X

X