16. If I don’t have a mobile phone, my friends would find it hard to get in touch with me 2.09 1.77
17. My academic performance has decreased as a direct result of the time I spend on my mobile phone 2.12 2.00
18. I have aches and pains that are associated with my mobile phone use 1.60 1.50
19. I find myself using on my mobile phone for longer periods of time than intended 4.46 3.06
20. There are times when I would rather use my mobile phone than deal with other more urgent matters 3.41 2.83
21. I am often late for appointments because I’m talking on my mobile phone when I shouldn’t be 1.34 0.75
22. I become irritable if I have to switch off/to silent my mobile phone for classes, meals, or at the cinema 1.30 0.69
23. I have been told that I spend too much time on my mobile phone 1.50 0.97
24. More than once I have been in trouble because my mobile phone has gone off during a class, at
the cinema, or in a restaurant 1.44 0.82
25. My friends don’t like it when my mobile phone is switched off/to silent 1.28 0.68
26. I feel lost without my mobile phone 1.67 0.99