. 2025 Mar 5;25:875. doi: 10.1186/s12889-025-21886-2

Table 2.

Correlation matrix of study variables of mothers (above diagonal) and partners (below diagonal) after exclusion of multivariate outliers

Variable		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
1)	Precarious employment T1 (EPRES)	-	.57^**	.36^**	.09^**	.14^**	.16^**	.17^**	.17^**	.13^**	−.26^**	−.06^*	−.18^**	.22^**	.20^**	.16^**	.19^**	.14^**	.12^**
2)	Abusive supervision T1 (EPRES subscale)	.42^**	-	.42^**	.31^**	.22^**	.20^**	.21^**	.23^**	.17^**	−.06*	.11^**	−.15^**	−.05	.27^**	.23^**	.28^**	.25^**	.21^**
3)	Job insecurity T1 (ERI selected items)	.23^**	.35^**	-	.16^**	.16^**	.14^**	.13^**	.14^**	.10^**	.04	.04	−.05	−.01	.20^**	.17^**	.18^**	.15^**	.09^**
4)	Job demand T1 (ERI selected items)	−.03	.21^**	.17^**	-	.08^**	.14^**	.09^**	.12^**	.07^*	.06^*	.06^*	−.13^**	−.20^**	.12^**	.11^**	.11^**	.11^**	.04
5)	Symptoms of depression T3 (EPDS)	.12^**	.26^**	.19^**	.05	-	.43^**	.56^**	.53^**	.56^**	−.07^*	−.00	−.04	.04	.50^**	.32^**	.38^**	.35^**	.29^**
6)	Symptoms of somatization T3 ^a	.11^**	.19^**	.06	.05	.38^**	-	.44^**	.44^**	.39^**	−.04	−.01	−.05	.01	.31^**	.46^**	.35^**	.32^**	.23^**
7)	Symptoms of obsessive-compulsiveness T3 ^a	.14^**	.26^**	.11^**	.00	.57^**	.47^**	-	.59^**	.57^**	−.03	−.00	−.01	.01	.35^**	.28^**	.49^**	.34^**	.25^**
8)	Symptoms of anxiety T3 ^a	.11^**	.25^**	.10^**	.02	.50^**	.44^**	.62^**	-	.46^**	−.05	−.02	−.01	.06^*	.33^**	.29^**	.35^**	.42^**	.22^**
9)	Symptoms of anger/hostility T3 ^a	.09^*	.24^**	.08^*	.05	.48^**	.37^**	.49^**	.50^**	-	−.06^*	−.01	−.02	.01	.32^**	.29^**	.35^**	.29^**	.42^**
10)	Age	−.26^**	−.06	.09^*	.11^**	−.02	−.06	−.03	−.00	−.03	-	.06^*	.23^**	−.10^**	−.07^*	−.11^**	−.09^**	−.03	−.11^**
11)	Duration of parental leave up to T3	.04	.01	−.01	−.09^*	−.01	.00	−.04	−.07	.01	-.02	-	.01	.01	−.02	.01	.05	.04	.01
12)	Academic degree ^b	−.05	−.13^**	.00	−.04	−.00	−.09^*	.03	.01	−.04	.04	.05	-	−.01	−.11^**	−.11^**	−.06	−.04	−.04
13)	Employment status T1 ^c	.32^**	−.06	.04	−.16^**	.11^**	.05	.07	.03	.02	−.17^**	.04	.05	-	.04	.01	.01	.01	.02
14)	Symptoms of depression T1 (EPDS)	.12^**	.30^**	.25^**	.14^**	.52^**	.29^**	.37^**	.37^**	.30^**	−.03	−.02	.00	.02	-	.36^**	.52^**	.52^**	.49^**
15)	Symptoms of somatization T1 ^a	.09^*	.23^**	.10^**	.11^**	.28^**	.50^**	.31^**	.32^**	.27^**	−.07^*	.01	−.08^*	.03	.37^**	-	.51^**	.46^**	.37^**
16)	Symptoms of obsessive-compulsiveness T1 ^a	.16^**	.31^**	.20^**	.05	.37^**	.30^**	.59^**	.41^**	.33^**	−.02	−.01	.03	.06	.54^**	.47^**	-	.59^**	.51^**
17)	Symptoms of anxiety T1 ^a	.10^**	.27^**	.17^**	.13^**	.38^**	.35^**	.43^**	.51^**	.34^**	.01	−.04	.05	.02	.54^**	.50^**	.59^**	-	.45^**
18)	Symptoms of anger/hostility T1 ^a	.09^*	.30^**	.19^**	.13^**	.31^**	.27^**	.33^**	.36^**	.47^**	−.00	−.03	−.03	−.02	.45^**	.37^**	.52^**	.48^**	-

Note. Pearson correlations for mothers (n ranges from 1,047 to 1,187 due to missing data) are shown above the diagonal. Pearson correlations for partners (n ranges from 598 to 763 due to missing data) are shown below the diagonal. EPRES Employment Precariousness Scale, ERI Effort-Reward Imbalance Questionnaire, EPDS Edinburgh Postnatal Depression Scale

^*p < .05; ^**p < .01

^aMeasured with subscales of the Symptom Checklist-90-Revised (SCL-90-R). ^b0 = no academic degree and 1 = academic degree. ^c0 = full-time, 1 = part-time or marginal; if mothers were in employment ban at T1, employment status before employment ban was used