Table 5.
Exploratory models of multivariate logistic regression to associate potential risk factors with the presence of regular problems in the use of the Internet, mobile phones and video games
| Internet | Coefficient | OR (CI 95 %) | p |
| Males | 0.397 | 1.49 (1.26–1.79) | <0.001 |
| Smoking | 0.435 | 1.55 (1.20–1.99) | 0.001 |
| Binge drinking | 0.303 | 1.35 (1.08–1.71) | 0.010 |
| Poor relationship with family | 0.718 | 2.05 (1.61–2.62) | <0.001 |
| Computer time (>3 h) | 1.752 | 5.77 (4.8–6.96) | <0.001 |
| Constant | −2.943 | ||
| Mobile phone | Coefficient | OR (CI 95 %) | p |
| Smoking | 0.771 | 2.16 (1.41–3.33) | <0.001 |
| Poor relationship with family | 0.847 | 2.33 (1.49–3.66) | <0.001 |
| SMS (>10) | 2.516 | 12.39 (7.32–20.97) | <0.001 |
| Constant | −4.225 | ||
| Video games | Coefficient | OR (CI 95 %) | p |
| Male | −1.533 | 0.22 (0.14–0.33) | <0.001 |
| Poor relationship with family | 1.036 | 2.82 (1.98–4.01) | <0.001 |
| Time with video games (>5 h) | 1.932 | 6.902 (5.21–9.14) | <0.001 |
| Plays alone | 0.508 | 1.66 (1.25–2.20) | 0.001 |
| Constant | −4.810 |
OR (CI 95 %): Odds Ratio and 95 % Confidence Intervals