Table 1.

Personal parameters of ICU and ward nurses in the three tertiary care hospitals (H1, H2, H3)

	Group of ICU nurses (n = 383)	Group of Ward nurses (n = 220)	p-value
Sex, (% F)	84	97	0.009
Age, year (mean ± SD)	33.8 ± 11.5	32.5 ± 12.6	<0.001
Marital status, %  Single  Married  Divorced Other	35 (134/383) 51 (196/383) 4 (14/383) 10 (39/383)	46 (103/220) 48 (105/220) 4 (8/220) 2 (4/220)	0.0032
Children living in household, %positive	59	64	0.012
Responsible for primary household income, %	49	46	0.06
Experience in nursing field, year (mean ± SD)	10.4 ± 9.2	9.6 ± 9.1	<0.001
Primary working shift, % day shift	65	71	0.11
Patient-to-nurse ratio at primary position, median (25–75% quartiles)	3:1 (3–3:1)	7:1 (7–8:1)	<0.001
Hours of work in a day, n (mean ± SD)	10.9 ± 2.1	9.2 ± 1.6	<0.001
Days of work in a week, n (mean ± SD)	4.1 ± 0.8	4.9 ± 0.7	<0.001