37 Not minding spending money on paid smartphone applications 1.91(1.24)
38 Trying to hide what I have been up to in relation to my smartphone 1.86(1.16)
39 Not being able to keep appointments due to excessive smartphone use1.61(0.92)
40 Having used my smartphone when I am not supposed to (in class, during a meeting, etc.)
3.32(1.56)