. 2018 Dec 19;18:391. doi: 10.1186/s12888-018-1972-8

Table 1.

Sample description

	BD		DDM		HC		SSD		Statistics	P
	N = 74		N = 83		N = 85		N = 91		Statistics	P
Gender^a
Male	29	39.2	27	32.5	40	47.1	55	60.4	χ² = 15.098	.002
Female	45	60.8	56	67.5	45	52.9	36	39.6
Status civil^a
Single	21	28.4	11	13.3	22	25.9	68	74.7	χ² = 116.344	<.001
Married	40	54.1	58	69.9	59	69.4	9	9.9
Stable relationship	1	1.4	3	3.6	0	0.0	0	0.0
Divorced	10	13.5	6	7.2	3	3.5	14	15.4
Widower	2	2.7	5	6.0	1	1.2	0	0.0
Education^a
Elementary school	9	12.2	17	20.5	6	7.1	9	9.9	χ² = 17.960	.117
Middle school I	23	31.1	24	28.9	29	34.1	24	26.4
High school II	27	36.5	31	37.3	32	37.6	44	48.4
University degree	15	20.3	11	13.3	17	20.0	11	12.1
Post graduate studies	0	0.0	0	0.0	1	1.2	3	3.3
School performance at age 17^a
Low	38	51.4	45	54.2	40	47.1	44	48.4	χ² = 13.266	.151
Average	10	13.5	15	18.1	8	9.4	17	18.7
Good	20	27.0	18	21.7	22	25.9	25	27.5
Excellent	6	8.1	5	6.0	15	17.6	5	5.5
Employ^a
Unemployed	26	35.1	14	16.9	6	7.1	47	51.6	χ² = 65.072	<.001
Unpaid job	22	29.7	27	32.5	24	28.2	18	19.8
Student	2	2.7	6	7.2	3	3.5	6	6.6
Part-time	5	6.8	9	10.8	14	16.5	11	12.1
Full-time	19	25.7	27	32.5	38	44.7	9	9.9
Family nucleus^a
Alone	10	13.5	4	4.8	7	8.2	10	11.0	χ² = 111.47	<.001
Partner	42	56.8	61	73.5	57	67.1	9	9.9
Parents	15	20.3	11	13.3	16	18.8	57	62.6
Famil./Friends	7	9.5	6	7.2	5	5.9	7	7.7
Structure	0	0.0	1	1.2	0	0.0	8	8.8

^aFrequency, %

Abbreviations: BD Bipolar Disorder, MDD Major Depressive Disorder, HC Healthy Control, SSD Schizophrenic Spectrum Disorder

For comparison, Chi-square test used for binary variables; the bold P values indicated the statistical significance