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Table 2 Descriptive statistics for study variables

From: Changes in mental health during three waves of the COVID-19 pandemic: a repeated cross-sectional study among Polish university students

Variable

Wave

Range

M

SD

Median

Skewn.

Kurtos.

GAD

W1

0-21

8.39

5.63

7

0.52

-0.67

W2

0-21

7.32

5.64

7

0.59

-0.49

W3

0-21

9.37

5.94

9

0.27

-0.97

PSS

W1

7-43

28.72

5.70

29

-0.17

-0.21

W2

0-39

23.15

5.07

23

-0.50

1.31

W3

0-40

23.53

4.76

24

-0.45

1.13

GSRH 1

W1

1-5

2.41

0.79

2

0.25

0.21

W2

1-5

2.48

0.78

2

0.25

0.35

W3

1-5

2.76

0.87

3

0.08

-0.01

GSRH 2

W1

1-5

2.52

0.87

3

0.13

-0.32

W2

1-5

2.51

0.87

2

0.29

0.08

W3

1-5

2.94

0.98

3

0.09

-0.30

SWLS

W1

5-35

21.2

6.21

22

-0.29

-0.42

W2

5-35

20.85

6.09

21

-0.14

-0.38

W3

5-35

19.78

7.00

20

0.05

-0.83

  1. Note. GAD = general anxiety disorder; PSS = perceived stress scale; GSRH = general self-rated health; SWLS = satisfaction with life scale