Table 5

Demographic variables and COVID ICU-related factors at baseline and their effect on PCL-5 at 12 month follow-up*

Demographic variables			Coefficient	95% CI	P value
Gender	Female		Ref
	Male		−0.5	−3.6 to 4.6	0.809
Marital status	Married/partner		Ref
	Single		1.7	−2.5 to 5.	0.514
Years of professional experience			−0.01	−0.2 to 0.2	0.902
Profession	Nurse		Ref
	Physician		−4.8	−10.6 to 0.9	0.098
	Leader		−2.7	−7.9 to 3.6	0.458
Previous ICU experience		No Yes	Ref 4.2	−2.3 to 10.8	0.208
Self-reported previous symptoms of anxiety		No Yes	Ref 0.3	−4.9 to 5.4	0.922
Self-reported previous symptoms of depression		No Yes	Ref 6.9	2.3 to 11.5	0.003†
Risk factors for serious COVID-infection		No Yes	Ref 1.5	−3.2 to 6.1	0.533
Professional preparations	Professional preparedness	No Yes	Ref −0.8	−11.2 to 9.7	0.885
	Professional information	No Yes	Ref 0.1	−3.3 to 3.6	0.938
	Simulation training	No Yes	Ref 1.7	−1.6 to 5.0	0.314
Emotional experience	Fear of infection	No Yes	Ref 4.4	1.1 to 7.7	0.009†
Emotional experience	Feeling of loneliness	No Yes	Ref 4.5	0.7to 8.2	0.020†
Support at work	No extra support	No Yes	Ref −0.5	−4.0 to 2.8	0.741
	Talk to leader	No Yes	Ref −0.4	−4.3 to 3.4	0.826
	Daily debrief	No Yes	Ref −3.7	−9.6 to 2.2	0.221

Median regression analysis, N=286.
*One participant was excluded from the analysis due to missing data on years of professional experience.
†≤0.05
ICU, intensive care unit; PCL-5, post-traumatic stress disease checklist for the Diagnostic and Statistical Manual of Mental Disorders 5.