Educational level è

Bachelor

Master

PV

Mean ± SE

Mean ± SE

Factor 1 of MP

I become irritable if I have to switch off my mobile phone for meetings, dinner engagements, or at the movies.

31.67 ± 1.93

23.2 ± 1.76

0.018

My productivity has decreased as a direct result of the time I spend on the mobile phone.

35.4 ± 1.82

23.08 ± 1.65

0

I have been told that I spend more time on MP.

33.33 ± 1.95

22.51 ± 1.77

0

My friends don’t like it when my mobile phone is switched off.

42.7 ± 1.76

35.52 ± 1.78

0.002

My friends and family complain about my use of the mobile phone.

32.67 ± 1.91

20.8 ± 1.79

0

Factor 2 of MP

I find myself occupied on Mp when I should be doing other things.

36.5 ± 1.67

29.8 ± 1.61

0.015

I find myself engaged on the mobile phone for longer periods of time than intended.

41 ± 1.81

32.84 ± 1.86

0.034

Factor 3 of MP

I am often late for appointments because I’m engaged on the mobile phone when I shouldn’t be.

26.88 ± 1.77

17.65 ± 1.47

0.002

I have tried to hide from others how much time I spend on my mobile phone.

30.09 ± 1.65

21.49 ± 1.62

0.003

I have aches and pains that are associated with my mobile phone use.

29.43 ± 1.92

20.11 ± 1.56

0.004

I have frequent dreams about the mobile phone.

27.23 ± 1.84

18.21 ± 1.58

0.005

I lose sleep due to the time I spend on my mobile phone.

32.78 ± 1.83

26.59 ± 1.8

0.024

Factor 4 of MP

Sometimes, when I am on the mobile phone and I am doing other things, I get carried away with the conversation and I don’t pay attention to what I am doing.

45.78 ± 1.53

39.14 ± 1.56

0.006

More than once I have been in trouble because my mobile phone has gone off during a meeting, lecture, or in a theatre.

36.16 ± 1.88

28.3 ± 1.75

0.009

I feel anxious if I have not checked for messages or switched on my mobile phone for some time.

46.67 ± 1.73

37.73 ± 1.83

0.016

Approval motivation

How many friends you have depends on how nice a person you are.

60.33 ± 1.77

65.41 ± 1.54

.032

Depending upon the people involved, I react to the same situation in different ways.

47.87 ± 1.59

43.55 ± 1.41

.048