| Variables | Internet addiction frequency (%) | p-value | PR (CI 95%) | |
|---|---|---|---|---|
| Yes | No | |||
| Internet usage time per day (hr/day) | 7.1±3.5 | 6.6±3.5 | 0.036 | 1.02 (1.01–1.04) |
| Purpose | ||||
| Social network | ||||
| No | 8 (28.6) | 20 (71.4) | 0.004 | 1 |
| Yes | 386 (55.9) | 304 (44.1) | 1.96 (1.09–3.53) | |
| Study | ||||
| No | 11 (57.9) | 8 (42.1) | 0.789 | 1 |
| Yes | 383 (54.8) | 316 (45.2) | 0.95 (0.64–1.40) | |
| Entertainment | ||||
| No | 17 (41.5) | 24 (58.5) | 0.076 | 1 |
| Yes | 377 (55.7) | 300 (44.3) | 1.34 (0.93–1.94) | |
| Basic calling, texting | ||||
| No | 71 (52.6) | 64 (47.4) | 0.554 | 1 |
| Yes | 323 (55.4) | 260 (44.6) | 1.05 (0.88–1.26) | |
| Internet facilities | ||||
| Mobile phone | ||||
| No | 8 (40.0) | 12 (60.0) | 0.175 | 1 |
| Yes | 386 (55.3) | 304 (44.7) | 1.38 (0.80–2.37) | |
| Personal computer | ||||
| No | 80 (44.2) | 101 (55.8) | 0.001 | 1 |
| Yes | 314 (58.5) | 223 (41.5) | 1.32 (1.11–1.58) | |
| Tablet | ||||
| No | 290 (54.1) | 246 (45.9) | 0.447 | 1 |
| Yes | 104 (57.1) | 78 (42.9) | 1.06 (0.91–1.22) | |
| Fixed computer at home | ||||
| No | 365 (54.6) | 303 (45.4) | 0.645 | |
| Yes | 29 (58.0) | 21 (42.0) | 1.06 (0.83–1.36) | |
| Computer at a paid internet access point | ||||
| No | 373 (54.6) | 310 (45.4) | 0.532 | |
| Yes | 21 (60.0) | 14 (40.0) | 1.10 (0.83–1.45) | |