Part 1 binary logistic regression: Odds ratios and 95% confidence intervals
| Predictor | CLB OR [95% CI] | CLB p | GALB OR [95% CI] | GALB p | OGLC OR [95% CI] | OGLC p |
|---|---|---|---|---|---|---|
| F2P frequency | 1.020 [0.890, 1.169] | 0.774 | 0.932 [0.812, 1.070] | 0.320 | 1.080 [0.930, 1.254] | 0.315 |
| F2P non-random expenditure | 1.149 [1.012, 1.303] | 0.031 | 1.301 [1.146, 1.478] | <0.001 | 1.187 [1.040, 1.356] | 0.011 |
| P2P frequency | 0.928 [0.814, 1.058] | 0.265 | 0.894 [0.780, 1.024] | 0.107 | 0.904 [0.786, 1.040] | 0.159 |
| P2P access expenditure | 1.175 [1.028, 1.343] | 0.018 | 1.186 [1.035, 1.360] | 0.014 | 1.149 [0.997, 1.325] | 0.055 |
| BP expenditure | 1.467 [1.275, 1.688] | <0.001 | 1.267 [1.102, 1.457] | <0.001 | 1.229 [1.062, 1.422] | 0.006 |
| IGD score | 1.012 [0.974, 1.053] | 0.538 | 1.013 [0.974, 1.054] | 0.515 | 0.991 [0.952, 1.033] | 0.680 |
| PGSI low | 1.321 [0.737, 2.367] | 0.350 | 1.386 [0.770, 2.494] | 0.276 | 1.919 [1.024, 3.598] | 0.042 |
| PGSI moderate | 3.813 [2.198, 6.615] | <0.001 | 2.144 [1.210, 3.798] | 0.009 | 3.532 [1.932, 6.457] | <0.001 |
| PGSI high | 1.993 [0.952, 4.172] | 0.067 | 2.594 [1.254, 5.365] | 0.010 | 8.063 [3.812, 17.057] | <0.001 |
| Predictor | CLB OR [95% CI] | CLB | GALB OR [95% CI] | GALB | OGLC OR [95% CI] | OGLC |
|---|---|---|---|---|---|---|
| 1.020 [0.890, 1.169] | 0.774 | 0.932 [0.812, 1.070] | 0.320 | 1.080 [0.930, 1.254] | 0.315 | |
| 1.149 [1.012, 1.303] | 1.301 [1.146, 1.478] | 1.187 [1.040, 1.356] | ||||
| 0.928 [0.814, 1.058] | 0.265 | 0.894 [0.780, 1.024] | 0.107 | 0.904 [0.786, 1.040] | 0.159 | |
| 1.175 [1.028, 1.343] | 1.186 [1.035, 1.360] | 1.149 [0.997, 1.325] | 0.055 | |||
| 1.467 [1.275, 1.688] | 1.267 [1.102, 1.457] | 1.229 [1.062, 1.422] | ||||
| 1.012 [0.974, 1.053] | 0.538 | 1.013 [0.974, 1.054] | 0.515 | 0.991 [0.952, 1.033] | 0.680 | |
| 1.321 [0.737, 2.367] | 0.350 | 1.386 [0.770, 2.494] | 0.276 | 1.919 [1.024, 3.598] | ||
| 3.813 [2.198, 6.615] | 2.144 [1.210, 3.798] | 3.532 [1.932, 6.457] | ||||
| 1.993 [0.952, 4.172] | 0.067 | 2.594 [1.254, 5.365] | 8.063 [3.812, 17.057] |
Note(s): Significant predictors (p ≤ 0.05) in italic. Reference category for PGSI dummies: no risk (PGSI score = 0). All expenditure predictors log(x+1)-transformed prior to analysis. CLB = cosmetic loot boxes; GALB = game-affecting loot boxes; OGLC = other gambling-like content. N = 587
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