Table 1.
Demographic characteristics of medical students with and without IA
| Item | No internet addiction (N=2,684) (%) | Internet addiction (N=1,054) (%) | t/χ2 | p | ptrend |
|---|---|---|---|---|---|
| Gender | 6.15 | 0.013 | |||
| Male | 1,148 (74) | 404 (26) | |||
| Female | 1,536 (70.3) | 650 (29.7) | |||
| Age (mean±SD) | 18.80±1.176 | 18.79±1.199 | 0.263 | 0.793 | |
| Grade | 14.955 | 0.001 | 0.001 | ||
| Freshman | 1,908 (73.7) | 682 (26.3a) | |||
| Sophomore | 427 (68.4) | 197 (31.6b) | |||
| Junior | 349 (66.6) | 175 (33.4b) |
Different letters represent differences between groups. a and b indicate different IA detection rates between the two groups, p<0.05. IA: Internet addiction