Table 1 Sample distribution and the prevalence of problematic Internet use by socio-demographic and behavioural factors
Characteristics | Sample | Problematic Internet use | p-for-difference | |
|---|---|---|---|---|
Yes | No | |||
% (n) | % (n) | % (n) | ||
Total | 100 (573) | 23.9 (137) | 76.1 (436) | Â |
Age (years) | 0.520 | |||
 20–25 | 60.7 (348) | 23.0 (80) | 77.0 (268) |  |
 26–30 | 39.3 (225) | 25.3 (57) | 74.7 (168) |  |
Sex | <0.001 | |||
 Female | 30.2 (173) | 12.7 (22) | 87.3 (151) |  |
 Male | 69.8 (400) | 28.8 (115) | 71.2 (285) |  |
Socioeconomic status | <0.05* | |||
 High | 22.7 (130) | 19.2 (25) | 80.8 (105) |  |
 Middle | 62.0 (355) | 22.8 (81) | 77.2 (274) |  |
 Low | 15.4 (88) | 35.2 (31) | 64.8 (57) |  |
Relationship status | 0.071 | |||
 Single | 42.6 (244) | 24.6 (60) | 75.4 (184) |  |
 Partnered | 40.3 (231) | 19.9 (46) | 80.1 (185) |  |
 Separated | 17.1 (98) | 31.6 (31) | 68.4 (67) |  |
Living arrangement | 0.930 | |||
 With family | 29.5 (169) | 23.7 (40) | 76.3 (129) |  |
 Dorm/mess | 70.5 (404) | 24.0 (97) | 76.0 (307) |  |
Smoking | <0.05 | |||
 No | 80.1 (459) | 21.8 (100) | 78.2 (359) |  |
 Yes | 19.9 (114) | 32.5 (37) | 67.5 (77) |  |
Physical activity | <0.05 | |||
 No | 49.4 (283) | 27.9 (79) | 72.1 (204) |  |
 Yes | 50.6 (290) | 20.0 (58) | 80.0 (232) |  |
Sleep duration | 0.693 | |||
 Normal sleep | 66.1 (379) | 23.0 (87) | 77.0 (292) |  |
 Short sleep | 29.7 (170) | 25.3 (43) | 74.7 (127) |  |
 Long sleep | 4.2 (24) | 29.2 (7) | 70.8 (17) |  |