Table 1.

The mean Perceived Stress Scale by sociodemographic characteristics

	M	SD	F	Multiple comparisons
Age
1.18–34	22.61	4.9		1 > 2,3,4***
2.35–44 3.45–54 4.55 +	21.88 21.42 19.20	5.3 4.5 5.7	9.75***	2 > 4*** 3 > 4***
Gender
1. Male	21.33	5.2		2 > 1***
2. Female	22.87	4.8	37.4***
Category
1. Senior doctor	21.61	5.4
2. Doctor, SHO trainee, registrar 3. Nurse 4. Others	21.71 22.95 21.54	4.5 5.2 4.1	7.70***	3 > 1,2,4***
ICU current occupancy
1. Below capacity	20.27	4.9
2. Usual capacity 3. Above capacity 4. Well above capacity	20.42 22.82 23.25	4.6 5.2 4.3	30.8***	3 > 1,2*** 4 > 1,2***
Type of hospital
1. Local/community hospital 2. Large urban/regional teaching hospital 3. Large tertiary/quaternary care/teaching 4. Other (incl. private)	21.29 22.73 21.90 21.89	3.9 5.5 5.3 4.8	5.16**	2 > 1,3***
Continent
1. Europe 2. Asia 3. Australia 4. Americans 5. Africa	23.66 21.49 20.28 20.93 21.10	5.2 5.7 4.9 3.5 3.6	23.6***	1 > 2,3,4,5***

F values correspond to the ANOVA test for difference in means

* p < 0.10, ** p < 0.05, *** p < 0.01

Multiple comparisons were done using Tukey’s method

 < and > indicate significant difference between the numbered groups according to Tukey’s multiple comparisons method