Table 2.
Association Between Most Used Internet Service and Prevalence and Correlates of PIU
| Most Used Internet Service | Information Searching | Messenger /Chatting | Gaming | Watching Movie | Listening Music | Watching Video (i.e. UCC) | Internet Community or Club | Online Shopping | Internet Pornography | Blogging | Etc | Total | Statistics F or χ2 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | ||||||||||||||
| n | 36,150 | 31,446 | 78,325 | 8248 | 21,075 | 2896 | 4032 | 1147 | 5315 | 1716 | 27,142 | 6050 | 223,542 | |
| % | 16.2 | 14.1 | 35.0 | 3.7 | 9.4 | 1.3 | 1.8 | 0.5 | 2.4 | 0.8 | 12.1 | 2.7 | 100.0 | |
| Sex | ||||||||||||||
| Male; n | 16,857 | 9873 | 68,139 | 4415 | 7257 | 1158 | 1064 | 313 | 780 | 1565 | 3637 | 2223 | 117,281 | 69144.0* |
| % | 14.4 | 8.4 | 58.1 | 3.8 | 6.2 | 1.0 | 0.9 | 0.3 | 0.7 | 1.3 | 3.1 | 1.9 | 100.0 | |
| Female ; n | 19,293 | 21,573 | 10,186 | 3833 | 13,818 | 1738 | 2968 | 834 | 4535 | 151 | 23,505 | 3827 | 102,434 | |
| % | 18.2 | 20.3 | 9.6 | 3.6 | 13.0 | 1.6 | 2.8 | 0.8 | 4.3 | 0.1 | 22.1 | 3.6 | 100.0 | |
| Internet Use Time; Mean (SD) | ||||||||||||||
| Weekday; hours | 1.1 (1.3) | 1.6 (1.6) | 1.6 (1.8) | 1.3 (1.5) | 1.1 (1.3) | 1.4 (1.4) | 1.7 (1.5) | 1.0 (1.2) | 1.3 (1.3) | 2.0 (3.0) | 1.4 (1.4) | 1.5 (1.7) | 457.5* | |
| Weekend; hours | 1.8 (1.8) | 2.4 (2.1) | 3.1 (2.5) | 2.4 (2.1) | 1.8 (1.7) | 2.4 (2.1) | 3.0 (2.2) | 1.5 (1.7) | 2.1 (1.8) | 2.8 (3.4) | 2.2 (1.9) | 2.4 (2.3) | 1112.5* | |
| KS Scale | 1298.4* | |||||||||||||
| Mean | 27.8 | 29.6 | 33.0 | 29.1 | 27.0 | 29.8 | 32.9 | 26.4 | 27.8 | 36.2 | 28.7 | 28.6 | ||
| SD | 8.6 | 9.0 | 10.5 | 8.9 | 7.7 | 8.9 | 9.7 | 7.7 | 7.8 | 18.1 | 8.1 | 8.9 | ||
| Total PIU; Yes | 3791.9* | |||||||||||||
| n | 1217 | 1534 | 7317 | 334 | 516 | 122 | 339 | 25 | 149 | 336 | 911 | 256 | 13,056 | |
| % | 3.4 | 4.9 | 9.3 | 4.0 | 2.4 | 4.2 | 8.4 | 2.2 | 2.8 | 19.6 | 3.4 | 4.2 | 5.8 | |
| Only Definite PIU; Yes | 2624.9* | |||||||||||||
| n | 666 | 817 | 4026 | 195 | 272 | 60 | 174 | 11 | 84 | 269 | 456 | 153 | 7183 | |
| % | 1.8 | 2.6 | 5.1 | 2.4 | 1.3 | 2.1 | 4.3 | 1.0 | 1.6 | 15.7 | 1.7 | 2.5 | 3.2 | |
| Depressive Episode; Yes | 3867.8* | |||||||||||||
| n | 13,412 | 15,171 | 24,081 | 3307 | 8288 | 1104 | 1585 | 443 | 2225 | 858 | 12,149 | 2225 | 84,848 | |
| % | 37.1 | 48.2 | 30.7 | 40.1 | 39.3 | 38.1 | 39.3 | 38.6 | 41.9 | 50.0 | 44.8 | 36.8 | 38.0 | |
| Suicidal Ideation; Yes | 1918.0* | |||||||||||||
| n | 6107 | 7947 | 12,307 | 1662 | 3999 | 545 | 876 | 212 | 1100 | 533 | 6,208 | 1,232 | 42,728 | |
| % | 16.9 | 25.3 | 15.7 | 20.2 | 19.0 | 18.8 | 21.7 | 18.5 | 20.7 | 31.1 | 22.9 | 20.4 | 19.1 | |
| Suicidal Attempt; Yes | 1386.4* | |||||||||||||
| n | 1332 | 2458 | 2813 | 401 | 972 | 102 | 180 | 58 | 274 | 235 | 1665 | 288 | 10,778 | |
| % | 3.7 | 7.8 | 3.6 | 4.9 | 4.6 | 3.5 | 4.5 | 5.1 | 5.2 | 13.7 | 6.1 | 4.8 | 4.8 |
Note: *p<0.001.
Abbreviations: PIU, Problematic internet use; UCC, User-created content; KS scale, Internet Addiction Proneness Scale for Youth-Short Form; SD, standard deviation.