Table 1.
Descriptive statistics of the main variables overall and per group of individuals with high and low problem severity of PPU.
| Variables | Severity of PPU | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall n = 105 | High sIATporn n = 34 | Low sIATporn n = 36 | Difference tests | |||||||||
| min | max | M | SD | M | SD | M | SD | df | t | p | d | |
| Age | 18.00 | 62.00 | 29.13 | 9.22 | 29.68 | 7.83 | 27.11 | 9.74 | 68.00 | 1.21 | 0.115 | 0.29 |
| sIATporn | 13.00 | 55.00 | 26.68 | 8.84 | 37.00 | 5.77 | 17.92 | 2.41 | 46.61a | 17.86 | <0.001 | 4.36 |
| BSI: depression | 0.00 | 18.67 | 4.56 | 4.55 | 7.14 | 5.37 | 3.11 | 3.10 | 52.20a | 3.81 | <0.001 | 0.93 |
| BSI: anxiety | 0.00 | 12.33 | 3.43 | 2.94 | 4.61 | 3.02 | 2.45 | 2.24 | 68.00 | 3.42 | 0.001 | 0.82 |
| Urge to use | 0.00 | 86.00 | 20.09 | 22.41 | 31.50 | 26.31 | 8.53 | 9.06 | 40.33a | 4.83 | <0.001 | 1.18 |
| STAI: state | 20.00 | 68.00 | 40.50 | 9.18 | 45.15 | 9.38 | 37.64 | 8.71 | 68.00 | 3.47 | <0.001 | 0.83 |
| Frequency of use | 0.00 | 500.00 | 11.65 | 49.27 | 23.32 | 84.40 | 4.21 | 3.88 | 68.00 | 1.36 | 0.179 | 0.33 |
| Duration per use | 2.00 | 150.00 | 35.05 | 28.77 | 49.62 | 36.56 | 25.56 | 13.62 | 41.54a | 3.61 | <0.001 | 0.88 |
PPU, pornography use disorder; sIATporn, short internet addiction test specified for pornography use; BSI, brief symptom inventory; STAI, state–trait anxiety inventory.
a
Corrected degrees of freedom due to differences in variances between groups as indicted by Levene’s test for equality of variances.