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Table 1 Socio-demographics and baseline characteristics of the derivation sample, longitudinal validation sample, and psychiatric inpatient sample

From: The COVID-19 Pandemic Mental Health Questionnaire (CoPaQ): psychometric evaluation and compliance with countermeasures in psychiatric inpatients and non-clinical individuals

  Derivation sample
(n = 511)
Longitudinal sample
(n = 318)
Psychiatric sample
(n = 113)
Age, mean (SD) 30.12 (11.15) 30.54 (11.28) 43.93 (14.64)
Men sex, n 110 68 58
Employment status, n (%)
 Full-time employed 114 (22.3) 73 (23.0) 32 (28.3)
 Part-time employed 72 (14.1) 47 (14.8) 15 (13.3)
 Self-employed 16 (3.1) 11 (3.5) 4 (3.5)
 Student 248 (48.5) 157 (49.4) 11 (9.7)
 Retired 8 (1.6) 4 (1.3) 17 (15.0)
 Caregiver 2 (0.4) 0 (0.0) 0 (0.0)
 Not employed 14 (2.7) 8 (2.5) 26 (23.0)
 Other 37 (7.2) 18 (5.7) 8 (7.1)
Self-reported lifetime diagnoses, n (%)
 Diagnostic categories
  Depressive Disorders 120 (23.5) 77 (24.2) 93 (82.3)
  Bipolar Disorders 5 (1.0) 3 (0.9) 11 (9.7)
  Psychotic Disorders 3 (0.6) 0 (0.0) 17 (15.0)
  Anxiety Disorders 62 (12.1) 36 (11.3) 30 (26.5)
  Post-Traumatic Stress Disorder 26 (5.1) 17 (5.3) 18 (15.9)
  Obsessive-Compulsive and Related Disorders 7 (1.4) 7 (2.2) 6 (5.3)
  Eating Disorders 28 (5.5) 14 (4.4) 17 (15.0)
  Substance-Related and Addictive Disorders 9 (1.8) 3 (0.9) 31 (27.4)
  Attention-Deficit/Hyperactivity Disorder 15 (2.9) 8 (2.5) 6 (5.3)
  Somatoform Disorders 4 (0.8) 2 (0.6) 7 (6.2)
  Personality Disorders 14 (2.7) 7 (2.2) 22 (19.5)
  Autism Spectrum Disorder 4 (0.8) 3 (0.9) 8 (7.1)
  Dementia 0 (0.0) 0 (0.0) 2 (1.8)
  1. n indicates the number of participants
  2. SD Standard Deviation