Table 2 Psychometric properties of the ACSID-11 at the item level

Gaming (n = 352)

Frequency rating

Intensity rating

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

Total

0.82

0.82

0.88

0.89

AC-IC

0.65

0.65

0.74

0.75

Item 1

0.59

0.45

1.10(1.02)

0.44

-1.00

0.66

0.57

0.35(0.61)

1.82

3.31

Item 2

0.56

0.48

0.78(0.92)

0.84

-0.46

0.66

0.58

0.29(0.60)

2.24

4.94

Item 3

0.73

0.47

0.41(0.76)

1.84

2.59

0.81

0.58

0.18(0.48)

3.09

10.53

AC-IP

0.79

0.80

0.79

0.80

Item 4

0.75

0.62

0.55(0.82)

1.40

1.13

0.75

0.62

0.24(0.54)

2.62

7.42

Item 5

0.78

0.69

0.42(0.76)

1.83

2.52

0.79

0.71

0.18(0.48)

2.91

8.57

Item 6

0.71

0.59

0.34(0.70)

2.19

4.23

0.71

0.59

0.15(0.44)

3.48

13.34

AC-CE

0.82

0.82

0.82

0.82

Item 7

0.78

0.68

0.25(0.60)

2.73

7.43

0.79

0.68

0.13(0.43)

3.73

15.40

Item 8

0.80

0.68

0.24(0.58)

2.51

6.00

0.85

0.68

0.11(0.39)

3.95

16.42

Item 9

0.74

0.65

0.27(0.61)

2.48

6.13

0.78

0.65

0.13(0.42)

3.51

13.71

AC-FI

0.79

0.79

0.80

0.80

Item 10

0.81

0.66

0.32(0.64)

2.19

4.64

0.84

0.68

0.18(0.49)

2.95

9.05

Item 11

0.81

0.66

0.25(0.58)

2.57

6.62

0.80

0.68

0.14(0.43)

3.51

14.05

Online shopping (n = 493)

Frequency rating

Intensity rating

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

Total

0.84

0.85

0.87

0.87

AC-IC

0.73

0.74

0.83

0.84

Item 1

0.53

0.51

1.42(0.94)

0.18

-0.84

0.71

0.66

0.42(0.64)

1.50

1.96

Item 2

0.68

0.60

1.01(0.96)

0.57

-0.69

0.81

0.75

0.36(0.65)

1.97

3.81

Item 3

0.87

0.55

0.62(0.86)

1.21

0.53

0.86

0.67

0.24(0.55)

2.62

7.30

AC-IP

0.82

0.82

Item 4

0.78

0.62

0.64(0.84)

1.16

0.47

0.81

0.81

0.82

0.62

0.25(0.55)

2.58

7.54

Item 5

0.77

0.70

0.47(0.76)

1.51

1.43

0.79

0.74

0.18(0.46)

2.99

10.04

Item 6

0.75

0.67

0.45(0.76)

1.63

1.79

0.71

0.69

0.15(0.43)

3.25

12.60

AC-CE

0.86

0.86

Item 7

0.86

0.79

0.34(0.68)

2.07

3.71

0.89

0.89

0.79

0.72

0.12(0.41)

4.03

19.19

Item 8

0.87

0.81

0.31(0.64)

2.22

4.53

0.85

0.77

0.13(0.42)

3.60

14.20

Item 9

0.84

0.76

0.33(0.67)

2.08

3.78

0.82

0.71

0.13(0.42)

3.65

15.54

AC-FI

0.84

0.84

Item 10

0.88

0.75

0.42(0.73)

1.74

2.37

0.86

0.86

0.88

0.73

0.21(0.51)

2.80

8.64

Item 11

0.85

0.75

0.35(0.69)

2.00

3.37

0.83

0.73

0.16(0.46)

3.40

13.07

Online pornography use (n = 250)

Frequency rating

Intensity rating

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

Total

0.82

0.82

0.88

0.88

AC-IC

0.76

0.77

0.84

0.85

Item 1

0.69

0.57

0.54(0.81)

1.46

1.38

0.72

0.68

0.23(0.55)

2.77

8.50

Item 2

0.68

0.64

0.45(0.84)

1.90

2.64

0.79

0.77

0.19(0.55)

3.32

11.76

Item 3

0.80

0.60

0.28(0.65)

2.61

6.59

0.91

0.69

0.14(0.47)

4.02

17.45

AC-IP

0.78

0.79

0.88

0.89

Item 4

0.77

0.60

0.25(0.62)

2.69

7.13

0.86

0.77

0.14(0.49)

4.09

17.95

Item 5

0.77

0.68

0.25(0.64)

2.74

7.17

0.86

0.82

0.13(0.47)

4.18

18.78

Item 6

0.68

0.59

0.22(0.60)

3.09

9.45

0.82

0.73

0.10(0.40)

4.97

27.44

AC-CE

0.88

0.88

0.89

0.90

Item 7

0.86

0.79

0.16(0.50)

3.61

13.41

0.88

0.76

0.08(0.36)

5.14

29.49

Item 8

0.78

0.75

0.14(0.46)

3.88

16.29

0.84

0.80

0.08(0.36)

5.64

36.00

Item 9

0.89

0.77

0.15(0.47)

3.66

14.33

0.84

0.81

0.09(0.38)

5.13

29.45

AC-FI

0.87

0.87

0.84

0.84

Item 10

0.86

0.76

0.16(0.505)

3.64

14.31

0.88

0.72

0.10(0.40)

4.61

23.67

Item 11

0.88

0.76

0.14(0.47)

3.74

14.81

0.82

0.72

0.08(0.35)

5.14

30.43

Social networks use (n = 568)

Frequency rating

Intensity rating

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

Total

0.86

0.87

0.88

0.88

AC-IC

0.70

0.71

0.81

0.82

Item 1

0.42

0.39

2.19(1.05)

-0.99

-0.40

0.73

0.67

0.72(0.89)

1.07

0.21

Item 2

0.67

0.60

1.34(1.07)

0.16

-1.23

0.73

0.73

0.51(0.74)

1.47

1.74

Item 3

0.87

0.54

0.91(1.05)

0.76

-0.75

0.83

0.63

0.35(0.65)

2.02

4.00

AC-IP

0.83

0.84

0.85

0.85

Item 4

0.75

0.65

1.10(1.08)

0.47

-1.12

0.82

0.69

0.46(0.74)

1.65

2.23

Item 5

0.82

0.75

0.78(1.02)

0.98

-0.39

0.82

0.77

0.31(0.61)

2.11

4.33

Item 6

0.81

0.69

0.69(0.97)

1.14

0.01

0.79

0.71

0.28(0.59)

2.40

6.04

AC-CE

0.87

0.87

0.85

0.86

Item 7

0.85

0.75

0.52(0.91)

1.68

1.61

0.81

0.73

0.20(0.53)

3.01

9.98

Item 8

0.85

0.78

0.55(0.92)

1.55

1.21

0.85

0.77

0.23(0.55)

2.69

7.52

Item 9

0.79

0.72

0.60(0.94)

1.40

0.71

0.77

0.68

0.25(0.54)

2.44

6.37

AC-FI

0.87

0.87

0.81

0.82

Item 10

0.87

0.77

0.67(0.95)

1.19

0.24

0.91

0.69

0.34(0.63)

2.01

4.06

Item 11

0.88

0.77

0.57(0.93)

1.47

0.93

0.76

0.69

0.25(0.57)

2.61

7.33

Online gambling (n = 113)

Frequency rating

Intensity rating

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

^aFactor loadings

Item-total correlation

Mean (SD)

Skewness

Kurtosis

α

ω

Total

0.83

0.82

0.95

0.95

AC-IC

0.54

0.55

0.79

0.79

Item 1

0.64

0.37

0.09(0.37)

4.89

27.26

0.75

0.69

0.09(0.40)

5.41

31.44

Item 2

0.40

0.37

0.22(0.70)

3.28

9.55

0.66

0.59

0.11(0.49)

4.89

24.12

Item 3

0.69

0.41

0.10(0.42)

4.93

26.03

0.86

0.64

0.09(0.42)

5.49

31.51

AC-IP

0.67

0.70

0.90

0.90

Item 4

0.69

0.40

0.08(0.36)

5.62

35.25

0.88

0.75

0.08(0.41)

5.85

35.22

Item 5

0.55

0.57

0.10(0.43)

5.04

26.75

0.90

0.87

0.07(0.37)

6.38

42.41

Item 6

0.60

0.52

0.12(0.54)

4.60

20.53

0.80

0.78

0.07(0.40)

5.99

36.89

AC-CE

0.87

0.87

0.92

0.93

Item 7

0.78

0.74

0.06(0.33)

6.48

44.67

0.89

0.85

0.06(0.36)

6.37

42.46

Item 8

0.85

0.73

0.05(0.29)

6.80

51.97

0.93

0.88

0.07(0.38)

6.04

37.73

Item 9

0.85

0.78

0.06(0.32)

6.16

41.17

0.87

0.81

0.06(0.35)

6.46

44.34

AC-FI

0.68

0.68

0.87

0.87

Item 10

0.79

0.53

0.08(0.38)

5.95

37.98

0.87

0.77

0.06(0.35)

6.55

45.85

Item 11

0.67

0.53

0.05(0.31)

7.08

54.78

0.89

0.77

0.06(0.35)

6.65

47.04