Department of Nursing, Chuncheon Campus, Kangwon National University, Chuncheon, Korea.
© 2015 Korean Academy of Community Health Nursing
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
| Characteristics | Categories | n (%) |
|---|---|---|
| Gender | Boys | 36,655 (52.3) |
| Girls | 35,780 (47.4) | |
| Grade | Middle 1st | 12,199 (16.2) |
| Middle 2nd | 12,113 (16.0) | |
| Middle 3rd | 12,218 (16.5) | |
| High 1st | 12,028 (17.1) | |
| High 2nd | 11,865 (16.9) | |
| High 3rd | 12,012 (17.2) | |
| School achievement | High | 24,995 (34.6) |
| Middle | 20,148 (28.1) | |
| Low | 27,292 (37.3) | |
| Economic status | High | 22,747 (32.3) |
| Middle | 34,494 (47.4) | |
| Low | 15,194 (20.3) | |
| Living type | Living with family | 69,006 (96.1) |
| Living with relatives | 776 (0.9) | |
| Living in boarding facility | 2,250 (2.5) | |
| Living in care facility | 403 (0.5) | |
| Residential area | Large cities | 32,540 (44.0) |
| Middle sized cities | 31,037 (49.1) | |
| Small towns | 8,858 (6.9) |
| Variables | Categories | n (%) |
|---|---|---|
| Internet use for non-academic purposes | None | 19,241 (26.2) |
| 0~<1 hr | 16,912 (23.2) | |
| 1~<2 hrs | 15,641 (21.7) | |
| 2~<3 hrs | 10,190 (14.1) | |
| ≥3 hrs | 10,451 (14.7) | |
| Happiness | Very happy/happy | 42,127 (58.2) |
| So-so | 21,943 (30.2) | |
| Very unhappy/unhappy | 8,365 (11.6) | |
| Stress | Very much/very stressful | 30,192 (41.4) |
| Slightly stressful | 29,841 (41.4) | |
| Rarely/never stressful | 12,402 (17.2) |
| Variables | Hours of internet usage for non-academic purposes | Rao-Scott x2 | p | ||||
|---|---|---|---|---|---|---|---|
| None | 0~<1 hr | 1~<2 hrs | 2~<3 hrs | ≥3 hrs | |||
| n (%) | n (%) | n (%) | n (%) | n (%) | |||
| Happiness | 288.70 | <.001 | |||||
| Very happy/happy | 10,805 (56.4) | 1,0479 (62.0) | 9,505 (60.6) | 5,844 (57.6) | 5,494 (52.7) | ||
| So-so | 6,080 (31.6) | 4,829 (28.4) | 4,529 (28.9) | 3,085 (30.2) | 3,420 (32.6) | ||
| Very unhappy/unhappy | 2,356 (12.0) | 1,604 (9.6) | 1,607 (10.5) | 1,261 (12.2) | 1,537 (14.7) | ||
| Total | 19,241 (100.0) | 16,912 (100.0) | 15,641 (100.0) | 10,190 (100.0) | 10,451 (100.0) | ||
| Stress | 143.22 | <.001 | |||||
| Very much/very stressful | 8,563 (44.3) | 6,703 (39.3) | 6,033 (38.6) | 4,244 (41.4) | 4,649 (43.8) | ||
| Slightly stressful | 7,447 (38.7) | 7,216 (43.0) | 6,817 (43.6) | 4,236 (41.8) | 4,125 (39.8) | ||
| Rarely/never stressful | 3,231 (17.0) | 2,993 (17.7) | 2,791 (17.7) | 1,710 (16.8) | 1,677 (16.4) | ||
| Total | 19,241 (100.0) | 16,912 (100.0) | 15,641 (100.0) | 10,190 (100.0) | 10,451 (100.0) | ||
| Variables | Categories | Feeling unhappy | Feeling stressful | ||
|---|---|---|---|---|---|
| AOR | 95% CI | AOR | 95% CI | ||
| Gender | Boys | 0.71 | 0.69~0.74 | 0.52 | 0.51~0.54 |
| Girls | 1 | 1 | |||
| Grade | Middle 1st | 0.71 | 0.67~0.76 | 0.71 | 0.67~0.75 |
| Middle 2nd | 0.87 | 0.81~0.93 | 0.82 | 0.77~0.88 | |
| Middle 3rd | 0.90 | 0.85~0.96 | 0.84 | 0.79~0.89 | |
| High 1st | 0.95 | 0.89~1.01 | 0.79 | 0.75~0.84 | |
| High 2nd | 1.07 | 1.01~1.13 | 0.94 | 0.88~0.99 | |
| High 3rd | 1 | 1 | |||
| School achievement | High | 0.58 | 0.55~0.60 | 0.76 | 0.73~0.79 |
| Middle | 0.72 | 0.69~0.75 | 0.78 | 0.75~0.81 | |
| Low | 1 | 1 | |||
| Economic status | High | 0.43 | 0.41~0.45 | 0.59 | 0.57~0.62 |
| Middle | 0.65 | 0.63~0.68 | 0.64 | 0.61~0.66 | |
| Low | 1 | 1 | |||
| Living type | Living with family | 1.13 | 0.91~1.40 | 1.17 | 0.92~1.48 |
| Living with relatives | 1.51 | 1.18~1.95 | 1.41 | 1.06~1.86 | |
| Living in boarding facility | 0.98 | 0.77~1.23 | 1.15 | 0.79~1.48 | |
| Living in care facility | 1 | 1 | |||
| Hour of internet usage/day | None | 1.17 | 1.13~1.22 | 1.16 | 1.11~1.22 |
| 0<,<1hr | 1 | 1.03~1.12 | 1 | 0.98~1.08 | |
| 1≤,<2hr | 1.07 | 1.11~1.23 | 1.03 | 1.11~1.24 | |
| 2≤,<3hr | 1.17 | 1.28~1.42 | 1.17 | 1.20~1.34 | |
| 3≤ | 1.34 | 1.27 | |||
%: Weighted.
AOR=adjusted odds ratio.