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Table 2 Correlation matrix including the predictor, mediator, outcome variables, and potential confounders of the total sample

From: Psychosocial work stress and parent-child bonding during the COVID-19 pandemic: clarifying the role of parental symptoms of depression and aggressiveness

 

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

1. Psychosocial work stress

–

          

2. Symptoms of depression

.339**

–

         

3. Symptoms of aggressiveness

.225**

.604**

–

        

4. Parent-child bonding

.128*

.362**

.420**

–

       

5. Education (university degree)

−.003

.032

−.011

.017

–

      

6. Age of index child

.027

.078

.106*

.148**

.017

–

     

7. Number of children

.062

.064

.097

.010

.017

.042

–

    

8. Hours of work

.075

−.171**

−.181**

−.154**

−.048

−.099

−.004

–

   

9. Childcare

−.051

.170**

.295**

.123*

.033

.241**

−.007

−.360**

–

  

10. Household work

.045

.153**

.204**

.017

−.088

.059

.047

−.104*

.197**

–

 

11. Home office (yes)

.007

.186*

.028

.152**

.184**

.048

−.075

−.106*

.044

.061

–

  1. Kendall-Tau-b correlation coefficients were computed for the potential confounders education and home office. Pearson correlation coefficients were computed for all other variables. Statistically significant correlations of potential confounders with the outcome variable PBQ are printed in bold. Psychosocial work stress (quotient of ERI = Effort-Reward Imbalance Questionnaire), Parent-child bonding (sum score of PBQ = Postpartum Bonding Questionnaire), Symptoms of depression (sum score of EPDS = Edinburgh Postnatal Depression Scale), Symptoms of aggressiveness (sum score of SCL-90-R = Symptom-Check-List-90-Revised, sub-scale anger-hostility). *p < .05. **p < .01. ***p < .001