Table 1.

Demographic variables for ICU patients and non-ICU patients

Demographic variables	ICU patients		Non-ICU patients
	n = 103	%/CI	n = 139	%/CI	p
Age, mean and 95% CIa	42.5	39.3-45.8	42.1	39.7-44.5	0.835
Gender, male	72	71.8	86	61.9	0.105
Level of education
Primary/secondary/high school	66	65.3	70	52.2	0.044
College or university	35	34.7	64	47.8
Living status
Married/cohabitant, yes	59	57.3	84	60.4	0.622
Caring for children, yes	24	23.8	49	36.6	0.036
Occupational status
In work, student or retired pre injury	86	83.5	120	86.3	0.540
Out of work pre injury	17	16.5	19	13.7
Total score IESb, mean and 95% CI	20.4	16.7-24.0	21.3	18.4-24.3	0.677
HADSc anxiety, mean and 95% CI	5.0	4.1-5.9	6.0	5.2-6.9	0.093
HADSd depression, mean and 95% CI	4.0	3.2-4.8	4.0	3.4-4.7	0.985

^a CI: confidence interval, ^b IES: Impact of event scale, baseline ^cHADS: Hospital anxiety and depression scale, baseline