Table 1.
Demographical and mental health-related characteristics in the adolescents of the sample (n = 7,874).
| Demographics | Girls | Boys | p-value |
|---|---|---|---|
| Girls, % | 52.3 | <0.001 | |
| Age, mean (SD) | 17.4 (0.8) | 17.4 (0.8) | n.s. |
| Perceived family economy, % | <0.01 | ||
| Below average | 8.1 | 6.2 | |
| Average | 70.3 | 64.6 | |
| Above average | 21.6 | 29.3 | |
| Mothers education, %a | n.s. | ||
| University/college | 11.4 | 9.7 | |
| High school | 40.9 | 43.3 | |
| Primary school | 47.7 | 47.0 | |
| Fathers education, %b | n.s. | ||
| University/college | 11.5 | 10.8 | |
| High school | 46.3 | 48.1 | |
| Primary school | 42.3 | 41.1 | |
| ALCOHOL AND ILLICIT DRUG USE | |||
| Tried alcohol, % | 81.1 | 75.2 | <0.001 |
| Tried illicit drugs, % | 8.5 | 11.7 | <0.001 |
| CRAFFT-score ≥ 2, % | 22.9 | 19.4 | <0.001 |
| Frequent drinking to intoxication, % | 20.0 | 20.3 | n.s. |
| MENTAL HEALTH PROBLEMSc | |||
| Depression symptoms, mean (SD) | 7.29 (6.04) | 4.08 (4.87) | <0.001 |
| Anxiety symptoms, mean (SD) | 2.02 (1.91) | 0.93 (1.51) | <0.001 |
| ADHD symptoms, mean (SD) | 28.32 (10.07) | 25.08 (10.85) | <0.001 |
| Conduct problems symptoms, mean (SD) | 0.38 (0.95) | 0.71 (1.48) | <0.001 |
| SCHOOL-RELATED FUNCTIONING | |||
| GPA, mean (SD) | 3.95 (0.78) | 3.73 (0.80) | <0.001 |
| Days missed, mean (SD) | 4.51 (5.26) | 3.49 (4.72) | <0.001 |
| Hours missed, mean (SD) | 7.58 (10.68) | 7.44 (11.55) | n.s. |
CRAFFT: screening scale for identification of potential problematic alcohol and drug use among adolescents.
a
Only includes those who with valid response on mothers education (n = 5,937), excluding those having answered that they don't know (n = 1,881).
b
Only includes those who with valid response on fathers education (n = 5,819), excluding those having answered that they don't know (n = 1,979).
c
The measure for mental health problems includes depression (SMFQ), anxiety (SCARED), inattention/hyperactivity (ASRS), and conduct problems (YCD).