Table 3

Prevalence of mental health issues

Pre-existing mental health condition diagnosed before the pandemic (n=7846)
 Prefer not to say1852.4
Self-reported mental health issues experienced since COVID-19 (n=7846)*
 Other mental health issues3284.2
 No mental health issues143118.2
Mental health issues assessed by validated scales
Burnout DP (n=7688)
Burnout EE (n=7701)
Burnout PA (n=7689)
Anxiety—GAD-7 (n=7843)
Depression—PHQ-9 (n=7841)
 Moderately severe6207.9
Impact of events/trauma—IES-6 (n=7796)
Mean (SD)Range
 Resilience—CD-RISC2 (n=7841)3.21 (0.66)0–4
  • Burnout DP: 0 to 3=low, 4 to 6=moderate, 7 to 18=high. Burnout EE: 0 to 6=low, 7 to 10=moderate, 11 to 18=high. Burnout PA: 0 to 12= high burnout, 13 to 14=moderate burnout, 15 to 18=low burnout. IES is categorised as 0to 9=none/minimal and >9=moderate-severe. GAD-7: 0 to 4=none/minimal, 5 to 9=mild, 10 to 14=moderate, 15 to 21=severe anxiety. PHQ-9: 0 to 4=none/minimal, 5 to 9=mild, 10 to 14=moderate, 15 to 19=moderately severe, 20 to 27=severe.

  • *Multiple options could be chosen.

  • CD-RISC2, Connor-Davidson Resilience Scale-2; COVID-19, coronavirus disease 2019; DP, depersonalisation; EE, emotional exhaustion; GAD-7, Generalized Anxiety Disorder Scale-7; IES-6, Impact of Events Scale-6; PA, personal accomplishment; PHQ-9, Patient Health Questionnaire-9; PTSD, post-traumatic stress disorder.