Table 1 Descriptive statistics of study variables.

From: Effects of problematic social media use on depressive symptoms

Variable

n

Missing

Mean

SD

SE

Median

IQR

Boys

PSMU

973

1

0.19

0.30

0.01

0.00

0.50

SMF

974

0

0.72

0.71

0.02

0.48

0.88

SMU

968

6

3.01

1.92

0.06

2.50

2.50

CESD (T1)

959

15

1.82

0.58

0.02

1.71

0.71

CESD (T2)

969

5

1.85

0.58

0.02

1.71

0.71

Age (T1)

973

1

13.78

0.76

0.02

14.00

1.00

Girls

PSMU

1111

0

0.32

0.37

0.01

0.00

0.50

SMF

1111

0

0.79

0.71

0.02

0.60

0.83

SMU

1106

5

3.88

2.06

0.06

3.50

2.50

CESD (T1)

1102

9

2.25

0.68

0.02

2.14

1.00

CESD (T2)

1103

8

2.18

0.65

0.02

2.14

0.86

Age (T1)

1109

2

13.78

0.72

0.02

14.00

1.00

Other

PSMU

36

0

0.24

0.33

0.06

0.00

0.50

SMF

36

0

0.96

0.98

0.16

0.60

1.05

SMU

36

0

4.11

2.23

0.37

4.00

3.25

CESD (T1)

36

0

2.62

0.72

0.12

2.64

1.00

CESD (T2)

36

0

2.41

0.71

0.12

2.43

0.89

Age (T1)

36

0

14.03

0.77

0.13

14.00

0.50

Total

PSMU

2120

1

0.26

0.35

0.01

0.00

0.50

SMF

2121

0

0.76

0.72

0.02

0.55

0.85

SMU

2110

11

3.49

2.05

0.05

3.00

2.50

CESD (T1)

2097

24

2.06

0.67

0.02

2.00

1.00

CESD (T2)

2108

13

2.03

0.65

0.01

2.00

0.86

Age (T1)

2118

3

13.79

0.74

0.02

14.00

1.00

  1. Note. PSMU = Problematic Social Media Use (average of T1 and T2); SMF = Total Social Media Followers (average of T1 and T2, expressed in thousands); SMU = Daily Social Media Usage Frequency (average of T1 and T2); CESD = Depressive Symptomatology (CESD, T1 and T2); Age (T1) = Age at Time 1.