Table 2.
Mean prevalence of Internet addiction among college students in different subgroups
| Gender | District distribution | Scale | ||||||
|---|---|---|---|---|---|---|---|---|
| Male | Female | South | North | East | Mid-west | Young | CIAS | |
| Study number | 23 | 23 | 14 | 12 | 11 | 15 | 20 | 5 |
| Prevalence (%) | 16 | 8 | 11 | 11 | 13 | 9 | 11 | 9 |
| 95% CI (%) | 13–19 | 5–10 | 8–14 | 7–14 | 8–18 | 8–11 | 8–15 | 6–11 |
| Heterogeneity (I2) | 0.961 | 0.979 | 0.984 | 0.981 | 0.991 | 0.939 | 0.987 | 0.902 |
North and South are divided by Qinling Mountains–Huaihe River Line. East and mid-west are divided by economic development level. One paper which uses CDC standard do not sort by scale
CI confidence interval, CIAS Chen Internet Addiction Scale, Young Young Internet Addiction Scale