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Table 3 Results of the item analysis and exploratory factor analysis (OP)

From: A psychometric approach to assessments of problematic use of online pornography and social networking sites based on the conceptualizations of internet gaming disorder

Item

Endorsement

pi

Factor loadinga

ritc

Ordinal ω without item

1. Do you spend a lot of time thinking about OP even when you are not online or planning when you can watch it next?

74

0.11

0.58

0.34

0.88

2. Do you feel restless, irritable, moody, angry, anxious or sad when attempting to cut down or stop watching OP or when you are unable to watch OP?

48

0.07

0.65

0.38

0.86

3. Do you feel the need to watch OP for increasing amounts of time or watch more exciting OP to get the same amount of excitement you used to get?

161

0.23

0.52

0.34

0.88

4. Do you feel that you should spend less time watching OP but are unable to cut back on the amount of time you spend watching OP?

150

0.21

0.78

0.46

0.86

5. Do you lose interest in or reduce participation in other recreational activities (hobbies, meetings with friends) due to watching OP?

50

0.07

0.81

0.47

0.86

6. Do you continue to watch OP even though you are aware of negative consequences, such as not getting enough sleep, being late to school/work, spending too much money, having arguments with others or neglecting important duties?

152

0.22

0.76

0.42

0.87

7. Do you lie to family, friends or others about how much you watch OP or try to keep your family or friends from knowing how much you watch OP?

286

0.41

0.52

0.29

0.88

8. Do you watch OP to escape from or forget about personal problems or to relieve uncomfortable feelings such as guilt, anxiety, helplessness or depression?

139

0.20

0.56

0.32

0.88

9. Do you risk or lose significant relationships or job, educational or career opportunities because of watching OP?

24

0.03

0.93

0.42

0.85

  1. Note. n = 700; ωordinal = 0.88; a = only EFA subsample (OP1, n = 350)