Table 1.

Descriptive statistics for the analytical sample by educational level. Means, standard deviations (SD), and percentages.

	Education
	Primary	Secondary vocational	Secondary general	Tertiary	Total	p
N	73	606	450	1,634	2,763
%	2.7	21.9	16.3	59.1	100.0
Mean values (SD)
Depressiona	6.4	5.9	5.2	4.5	5.0	***
	(4.5)	(4.2)	(4.1)	(3.9)	(4.0)
Anxietya	5.4	4.2	3.6	3.1	3.4	***
	(5.2)	(4.6)	(4.1)	(3.7)	(4.0)
Childhood adversityb	19.0	11.8	10.7	8.5	9.8	***
	(17.0)	(12.3)	(11.3)	(9.3)	(10.8)
Age at childbirth	26.4	28.0	28.8	31.1	29.9	***
	(5.2)	(4.5)	(4.0)	(3.3)	(4.1)
Percentage values
Probable clinical depressionc	20.6	14.4	10.5	8.2	10.3	***
Probable clinical anxietyc	31.5	21.1	14.9	11.5	14.7	***
Childhood SES						***
Upper level employee	8.2	13.5	22.2	36.1	28.1
Lower level employee	49.3	45.9	48.7	39.8	42.8
Manual worker	27.4	34.3	22.7	18.3	22.8
Other/not classifiedd	15.1	6.3	6.4	5.9	6.3
Parents' mental disorders						***
No disorders	53.4	61.1	65.8	65.5	64.2
Mother had	24.7	27.1	22.9	21.1	22.8
Father had	21.9	11.9	11.3	13.5	13.0
First child (yes)	37.0	51.0	54.2	51.0	51.1	***

*p < 0.05, **p < 0.01, ***p < 0.001.

^aDepressive symptoms [sample range 0–30], anxiety symptoms [sample range 0–40] during trimesters 1–3.

^bThe trauma and distress (TADS) score [sample range 0–89].

^cDepression: ≥13 EPDS points, anxiety: ≥10 SCL-90 points; at least once in pregnancy.

^dNot classified, never worked, or unemployed.