Table 1.

Characteristics of reference persons

		N = 88
Age	Median, SD	57 (15)
Gender: female	n (%)	57 (65)
Relationship to patient: first degree	n (%)	81 (92)
Spouse/partner		51 (58)
Grown child		22 (25)
Parent		5 (6)
Sister/brother		3 (3)
Other		7 (8)
Professional occupation	n (%)
Working/studying		44 (50)
Unemployed		24 (27)
Retired		19 (22)
Sleep quality	10 points Likert-type scale	6 [4; 8]
Security feeling	10 points Likert-type scale	9 [7; 10]
Confidence feeling	10 points Likert-type scale	10 [9; 10]
Satisfaction feeling	10 points Likert-type scale	10 [9; 10]
Comprehension	10 points Likert-type scale	10 [8; 10]
Increased smoking^a	5 points Likert-type scale	4 [3; 4]
Increased alcohol consumption^a	5 points Likert-type scale	4 [3; 4]
Baseline HADS at ICU admission	Numeric score	23 [16; 31]
Anxiety/admission	Numeric score	13 [9; 16]
Depression / admission	Numeric score	10 [7; 13]
HADS at ICU discharge or death	Numeric score	16 [9; 21]
Anxiety/ICU discharge	Numeric score	8 [5; 12]
Depression/ICU discharge	Numeric score	7 [3; 11]

For count variables: sum and percentage. For numeric score variables and Likert-type scale variables: Median [IQR]

^a1 point: completely agree; 2 points: somewhat agree; 3 points: somewhat disagree; 4 points: completely disagree; 5 points: no advice