Table 2.
Comparison of clinical profiles between diagnostic subtypes at baseline: ANOVA and effect size for pairwise comparisons.
| Means Buying | Sex | Internet/gaming | Internet | Gambling | ANOVA | Contrasts: buying vs. other addictions | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sex | Internet/gaming | Internet | Gambling | |||||||||||||
| n = 110 | n = 28 | n = 51 | n = 41 | n = 3.094 | F4;3319 | p | p | |d| | p | |d| | p | |d| | p | |d| | ||
| Age (years) | 43.3 | 41.3 | 22.0 | 31.7 | 42.9 | 38.03 | <0.001* | 0.909 | 0.17 | 0.001* | 2.15† | 0.001* | 0.96† | 0.997 | 0.03 | |
| Onset (years) | 38.9 | 37.5 | 19.9 | 29.8 | 38.3 | 26.25 | <0.001* | 0.973 | 0.11 | 0.001* | 1.81† | 0.001* | 0.72† | 0.973 | 0.05 | |
| Duration (years) | 4.4 | 4.3 | 2.5 | 2.4 | 4.9 | 3.82 | 0.013* | 0.999 | 0.01 | 0.233 | 0.42 | 0.253 | 0.45 | 0.776 | 0.09 | |
| SCL-90-R: Somatization | α = 0.89 | 1.4 | 1.1 | 0.5 | 0.9 | 0.9 | 11.96 | <0.001* | 0.151 | 0.37 | 0.001* | 1.03† | 0.001* | 0.62† | 0.001* | 0.52† |
| SCL-90-R: Obs./comp. | α = 0.86 | 1.8 | 1.5 | 1.1 | 1.5 | 1.1 | 16.99 | <0.001* | 0.406 | 0.25 | 0.001* | 0.79† | 0.193 | 0.31 | 0.001* | 0.68† |
| SCL-90-R: Int. sensitivity | α = 0.85 | 1.4 | 1.3 | 1.1 | 1.1 | 1.0 | 6.63 | <0.001* | 0.880 | 0.14 | 0.135 | 0.30 | 0.138 | 0.35 | 0.001* | 0.44 |
| SCL-90-R: Depressive | α = 0.90 | 2.0 | 1.8 | 1.0 | 1.5 | 1.5 | 11.98 | <0.001* | 0.454 | 0.25 | 0.001* | 0.99† | 0.004* | 0.56† | 0.001* | 0.53† |
| SCL-90-R: Anxiety | α = 0.87 | 1.5 | 1.3 | 0.8 | 1.0 | 1.0 | 9.81 | <0.001* | 0.776 | 0.16 | 0.001* | 0.77† | 0.006* | 0.53† | 0.001* | 0.48 |
| SCL-90-R: Hostility | α = 0.82 | 1.2 | 1.2 | 1.1 | 1.0 | 0.9 | 5.15 | <0.001* | 0.999 | 0.03 | 0.509 | 0.20 | 0.268 | 0.31 | 0.001* | 0.37 |
| SCL-90-R: Phobic | α = 0.80 | 0.8 | 0.6 | 0.3 | 0.5 | 0.5 | 6.93 | <0.001* | 0.168 | 0.36 | 0.001* | 0.61† | 0.018* | 0.44 | 0.001* | 0.42 |
| SCL-90-R: Paranoid | α = 0.77 | 1.3 | 1.1 | 1.1 | 1.0 | 0.9 | 6.43 | <0.001* | 0.850 | 0.15 | 0.617 | 0.17 | 0.108 | 0.38 | 0.001* | 0.43 |
| SCL-90-R: Psychotic | α = 0.83 | 1.1 | 1.3 | 0.6 | 1.0 | 0.9 | 4.65 | 0.001* | 0.512 | 0.23 | 0.004* | 0.56† | 0.855 | 0.14 | 0.065 | 0.22 |
| SCL-90-R: GSI | α = 0.98 | 1.5 | 1.3 | 0.9 | 1.1 | 1.0 | 10.41 | <0.001* | 0.645 | 0.20 | 0.001* | 0.78† | 0.017* | 0.49 | 0.001* | 0.53† |
| SCL-90-R: PST | α = 0.98 | 54.0 | 50.7 | 37.2 | 48.0 | 46.3 | 5.53 | <0.001* | 0.895 | 0.14 | 0.001* | 0.79† | 0.416 | 0.28 | 0.002* | 0.35 |
| SCL-90-R: PSDI | α = 0.98 | 2.3 | 2.1 | 1.8 | 1.9 | 1.9 | 11.07 | <0.001* | 0.740 | 0.21 | 0.001* | 0.63† | 0.006* | 0.59† | 0.001* | 0.60† |
| TCI-R: Novelty seeking | α = 0.80 | 114.4 | 108.2 | 103.0 | 101.5 | 108.8 | 8.13 | <0.001* | 0.154 | 0.42 | 0.001* | 0.85† | 0.001* | 0.91† | 0.001* | 0.39 |
| TCI-R: Harm avoidance | α = 0.82 | 109.7 | 103.7 | 102.8 | 105.8 | 101.3 | 6.05 | <0.001* | 0.341 | 0.32 | 0.089 | 0.34 | 0.617 | 0.20 | 0.001* | 0.44 |
| TCI-R: Reward depend. | α = 0.77 | 104.8 | 102.5 | 95.3 | 98.1 | 99.7 | 3.93 | 0.006* | 0.902 | 0.14 | 0.002* | 0.55† | 0.073 | 0.39 | 0.005* | 0.33 |
| TCI-R: Persistence | α = 0.87 | 108.0 | 104.0 | 94.8 | 95.5 | 109.4 | 9.83 | <0.001* | 0.821 | 0.19 | 0.002* | 0.65† | 0.008* | 0.68† | 0.924 | 0.07 |
| TCI-R: Self-directed. | α = 0.85 | 125.0 | 118.8 | 125.2 | 123.0 | 128.1 | 2.27 | 0.069 | 0.505 | 0.27 | 1.000 | 0.01 | 0.971 | 0.09 | 0.494 | 0.13 |
| TCI-R: Cooperativen. | α = 0.81 | 137.1 | 128.3 | 128.6 | 132.4 | 132.0 | 2.76 | 0.037* | 0.074 | 0.52† | 0.025* | 0.45 | 0.448 | 0.27 | 0.019* | 0.30 |
| TCI-R: Self-Trans. | α = 0.83 | 66.0 | 63.6 | 59.3 | 64.0 | 64.4 | 1.57 | 0.178 | 0.888 | 0.15 | 0.050 | 0.41 | 0.903 | 0.13 | 0.706 | 0.10 |
*
Bold, significant comparison (0.05 level).
†
Bold: effect size in the moderate (|d|> 0.50) to high (|d|> 0.80) range. α: Cronbach's-alpha for the scale in the sample. p-values include Bonferroni-Finner correction.