Table 1 Results of correlation analysis of each variable.

1 Parenting Stress

2.585

0.279

1

2 Spoiled

1.614

0.430

0.352**

1

3 Democratic

3.352

0.323

− 0.451**

− 0.524**

1

4 Permissive

1.936

0.447

0.469**

0.601**

− 0.511**

1

5 Autocratic

2.190

0.430

0.331**

0.388**

− 0.524**

0.611**

1

6 Inconsistent

2.013

0.509

0.149**

0.431**

− 0.394**

0.371**

0.598**

1

7 Firstborn executive function

28.020

4.901

− 0.315**

− 0.268**

0.369**

− 0.411**

− 0.293**

− 0.424**

1

8 Parenting quality

2.299

0.168

− 0.417**

− 0.322**

0.218**

− 0.387**

− 0.329**

− 0.105*

0.382**

1