Table 3.

Stress, anxiety and depression in the whole sample and three clusters

Mental disorders	Whole sample (n = 600)		Cluster						Overall		Between clusters^a
	Whole sample (n = 600)		1 (n = 105)		2 (n = 133)		3 (n = 362)		Overall		1 to 2	1 to 3	2 to 3
	n	%	n	%	n	%	n	%	χ²	p	p	p	p
Stress	10.5 ± 6.4		19.2 ± 5.9		9.2 ± 5.6		8.4 ± 4.5				< 0.01	< 0.01	0.29
Normal	489	81.5	28	26.7	120	90.2	341	94.2	227.3	< 0.01	< 0.01	< 0.01	*0.024*
Mild	54	9.0	29	27.6	7	5.3	18	5.0
Moderate	42	7.0	33	31.4	6	4.5	3	0.8
Severe	12	2.0	12	11.4	0	0.0	0	0.0
Extremely severe	3	0.5	3	2.9	0	0.0	0	0.0
Anxiety	6.7 ± 5.6		13.9 ± 6.9		5.2 ± 4.5		5.1 ± 3.6				< 0.01	< 0.01	1.00
Normal	361	60.2	14	13.3	90	67.7	257	71.0	229.9	< 0.01	< 0.01	< 0.01	0.15
Mild	80	13.3	8	7.6	17	12.8	55	15.2
Moderate	117	19.5	47	44.8	22	16.5	48	13.3
Severe	25	4.2	20	19.0	3	2.3	2	0.6
Extremely severe	17	2.8	16	15.2	1	0.8	0	0.0
Depression	4.5 ± 4.8		11.4 ± 5.4		3.7 ± 3.8		2.7 ± 2.7				< 0.01	< 0.01	1.00
Normal	521	86.8	40	38.1	125	94.0	356	98.3	269.2	< 0.01	< 0.01	< 0.01	< 0.01
Mild	52	8.7	41	39.0	5	3.8	6	1.7
Moderate	18	3.0	15	14.3	3	2.3	0	0.0
Severe	8	1.3	8	7.6	0	0.0	0	0.0
Extremely severe	1	0.2	1	1.0	0	0.0	0	0.0
Number of disorders
Not any	328	54.7	0	0	84	63.2	244	67.4	365.6	< 0.01	< 0.01	< 0.01	*0.02*
1 disorder	159	26.5	18	17.1	37	27.8	104	28.8
2 disorders	69	11.5	46	43.8	9	6.8	14	3.8
All 3 disorders	44	7.3	41	39.1	3	2.2	0	0

^ap from Chi square test for percentage comparison and Post-hoc ANOVA for mean comparison (two tailed)

Italics: < 0.01, bolditalic: < 0.05