Table 1:
Demographic characteristics and other risk variables of the adolescents by substance abuse
| Characteristics | Substance abuse | P-value** | ||
|---|---|---|---|---|
|
No n (%) |
Yes n (%) |
Total* n (%) |
||
| Gender | ||||
| Boy | 2041 (97.6) | 50 (2.4) | 2091 (43.0) | P<0.001 |
| Girl | 2760 (99.4) | 17 (0.6) | 2777 (57.0) | |
| Total | 4801 (98.6) | 67 (1.4) | 4868 (100) | |
| Age | ||||
| 14&15 years | 2089 (99.4) | 13 (0.6) | 2102 (43.4) | P<0.001 |
| 16 years | 2217 (98.5) | 33 (1.5) | 2250 (46.5) | |
| 17 years | 366 (96.6) | 13 (3.4) | 379 (7.8) | |
| 18&19 years | 104 (92.9) | 8 (7.1) | 112 (2.3) | |
| School type | ||||
| Governmental | 4264 (98.5) | 65 (1.5) | 4329 (88.9) | 0.034 |
| Non-governmental | 537 (99.6) | 2 (0.4) | 539 (11.1) | |
| Education major | ||||
| Mathematics and physics | 1125 (99.6) | 5 (0.4) | 1130 (23.2) | P<0.001 |
| Empirical science | 1244 (99.2) | 10 (0.8) | 1254 (25.8) | |
| Humanities | 739 (98.8) | 9 (1.2) | 748 (15.4) | |
| Technical and Vocational & work and knowledge | 1693 (97.5) | 43 (2.5) | 1736 (35.7) | |
| Socioeconomic status | ||||
| Very low | 896 (98.2) | 16 (1.8) | 912 (20.2) | 0.299 |
| Low | 901 (98.9) | 10 (1.1) | 911 (20.2) | |
| Middle | 903 (99.1) | 8 (0.9) | 911 (20.2) | |
| High | 886 (98.6) | 13 (1.4) | 899 (19.9) | |
| Very high | 871 (98.1) | 17 (1.9) | 888 (19.6) | |
| Living with parents | ||||
| Yes | 4530 (98.8) | 55 (1.2) | 4585 (94.4) | P<0.001 |
| No | 258 (95.6) | 12 (4.4) | 270 (5.6) | |
| General risk taking behaviors | ||||
| No | 2010 (99.5) | 11 (0.5) | 2021 (41.7) | P<0.001 |
| Yes | 2769 (98.1) | 55 (1.9) | 2824 (58.3) | |
| Smoking status | ||||
| Never smoker | 3825 (99.6) | 16 (0.4) | 3841 (79.3) | P<0.001 |
| Experimenter | 769 (96.7) | 26 (3.3) | 795 (16.4) | |
| Regular smoker | 180 (87.8) | 25 (12.2) | 205 (4.2) | |
| Self-injury | ||||
| No | 4174 (98.9) | 45 (1.1) | 4219 (87.5) | P<0.001 |
| Yes | 580 (96.3) | 22 (3.7) | 602 (12.5) | |
| Mean±SD | Mean±SD | Mean±SD | ||
| Self-esteem | 17.77±4.77 | 20.80±5.57 | 17.82±4.79 | P<0.001 |
| Attitude toward smoking previous year average grades | −10.24±3.11 | −5.28±6.20 | −10.17±3.24 | P<0.001 |
| 16.57±2.22 | 15.28±2.19 | 16.56±2.23 | P<0.001 | |
*
Total of subjects with no regard of substance abuse status.
**
According to the results of chi-square test and independent t-test.