Table 1 Study 1 & 2 descriptive statistics

1. Age ¹

24.62

3.36

-

2. Experience¹

4.53

2.55

0.06

-

3. Education

2.12

0.75

0.63^***

0.02

-

4. Overqualification

3.19

1.15

0.04

− 0.08

− 0.01

(0.92)

5. Career Identity

2.86

1.10

− 0.01

0.03

− 0.03

0.24^**

(0.80)

6. STEM Career Decidedness

3.27

1.22

0.04

− 0.01

0.04

0.39^***

0.48^***

(0.87)

7. STEM Career Anxiety

3.11

1.01

0.03

− 0.06

0.01

− 0.30^***

− 0.28^**

− 0.14^*

(0.85)

Study 2

1. Age ¹(T1)

25.30

3.79

-

2. Experience¹(T1)

5.72

3.96

0.14^*

-

3. Education (T1)

1.96

0.86

0.62^***

− 0.04

-

4. Overqualification (T1)

3.06

1.27

− 0.07

− 0.03

− 0.06

(0.93)

5. Career Identity (T2)

2.71

1.14

− 0.01

0.04

− 0.07

0.33^***

(0.81)

6. Leader Support (T2)

3.05

1.14

− 0.06

− 0.01

− 0.09

0.06

0.21^**

(0.77)

7. STEM Career Decidedness (T3)

3.01

1.25

− 0.04

− 0.02

− 0.05

0.50^***

0.44^***

0.15^*

(0.85)

8. STEM Career Anxiety (T3)

3.06

1.11

0.06

0.05

0.10^*

− 0.45^***

− 0.33^***

− 0.05

− 0.26^**

(0.86)