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. 2021 Jul 19;299:393–407. doi: 10.1016/j.jad.2021.07.048

Table 1.

A list of main variables and a-priori definition (exposure, outcome) of variables collected in the COH-FIT study.

Non modifiable exposure
Modifiable exposure
Outcomes [baseline values acting also as moderators, and change values as mediators]
Demographic and socio-economic Environmental and clinical Behavioral/Psychological Emotions / subjective status Environmental and clinical Primary outcomes Secondary outcomes
Age COVID-19 infection / symptoms Adherence to pandemic-related social restrictions Anger Access to medications Well-being Anxiety symptoms / Panic episodes Aggressive behavior perpetration Appetite and food intake
Education COVID-19 related social restriction severity and duration Vaccine-related beliefs and behavior Boredom Mental health care access/utilization Composite mental health P-Score Depressive symptoms Aggressive behavior victim BMI
Employment status Family history of mental illness Coping strategies Fear of getting infected Physical healthcare access/utilization Euphoric mood/Mood swings Aggressive behavior witnessing Pain
Ethnicity/migration Household (rooms, outside space, co-living people, social support) Exercise Frustration Access to protective devices Key secondary outcomes Obsessive-compulsive symptoms Concentration Telemedicine experience
Gender Mental condition Prosocial behavior Helpelessness COVID-19 information P-Extended score Post-traumatic symptoms Self-injurious behavior Impact on education
Job type Medical condition Screen time (social media, TV, gaming, reading, listening to music) Loneliness Economic loss General mental health Psychotic symptoms (Hallucinatory experiences/ delusional experiences) Sleep problems
Marital status Past traumatic events Sexual activity Resilience Healthcare system (by country) General physical health Suicidal ideation / attempt Addictive behaviors/substances
Socioeconomic status Urbanicity Stress Number of medications Functioning / Quality of life

Legend. Modifiable exposure will also be considered as outcomes, depending on hypotheses to be tested.