Background
Methods
Subjects
Measurements
Statistical analysis
Results
Ever used, n (%) | Used the first time, n (% among 196 respondents) | |
---|---|---|
Inhalant | 287 (0.4) | 139 (44.8) |
Stimulant | 186 (0.3) | 24 (7.7) |
Tranquilizer | 177 (0.2) | 27 (8.7) |
Large dose of antitussive | 170 (0.2) | 21 (6.8) |
Diet pill | 154 (0.2) | 15 (4.8) |
cannabis | 161 (0.2) | 32 (10.3) |
Amphetamine | 156 (0.2) | 15 (4.8) |
Other hallucinogen | 153 (0.2) | 11 (3.5) |
Opioid drug | 152 (0.2) | 20 (6.5) |
Cocaine | 141 (0.2) | 6 (1.9) |
Substance users (n = 311), % | Non-users (n = 71,749), % | OR (95 % CI) |
p-value | |
---|---|---|---|---|
Age (years), mean (95 % CI) | 15.90 (15.70–16.10) | 15.00 (14.96–15.04) | 1.37 (1.27–1.48) | <0.001 |
Sex, male, % | 65.1 | 52.1 | 1.71 (1.33–2.21) | <0.001 |
Area of residence, % | ||||
Rural | 8.2 | 6.5 | ref | |
Small city | 46.0 | 49.9 | 0.83 (0.53–1.32) | 0.441 |
Large city | 45.8 | 43.6 | 0.73 (0.46–1.16) | 0.184 |
Paternal Education, % | ||||
Middle school education or lower | 11.0 | 3.4 | ref | |
High school education | 32.4 | 36.5 | 0.28 (0.17–0.46) | <0.001 |
College degree or higher | 56.6 | 60.0 | 0.3 (0.19–0.47) | <0.001 |
Maternal Education, % | ||||
Middle school education or lower | 12.8 | 3.0 | ref | |
High school education | 35.1 | 46.9 | 0.17 (0.1–0.29) | <0.001 |
College degree or higher | 52.1 | 50.2 | 0.24 (0.15–0.39) | <0.001 |
Residential type, % | ||||
With family | 59.5 | 96.1 | ref | |
With relatives | 9.0 | 0.8 | 18.03 (12.38–26.25) | <0.001 |
With friends, alone, domitory | 11.2 | 2.7 | 6.7 (4.61–9.73) | <0.001 |
Facility | 20.3 | 0.4 | 88.78 (63.81–123.54) | <0.001 |
Socio-economic status, % | ||||
Low | 25.0 | 3.7 | ref | |
Low-Middle | 16.4 | 14.2 | 0.17 (0.12–0.24) | <0.001 |
Middle | 19.9 | 48.4 | 0.06 (0.04–0.09) | <0.001 |
High-Middle | 16.4 | 25.7 | 0.1 (0.06–0.15) | <0.001 |
High | 22.3 | 7.9 | 0.42 (0.31–0.57) | <0.001 |
Academic achievement, % | ||||
Low | 29.9 | 10.8 | ref | |
Low-Middle | 18.9 | 24.1 | 0.29 (0.2–0.4) | <0.001 |
Middle | 18.4 | 28.0 | 0.24 (0.17–0.33) | <0.001 |
High-Middle | 10.2 | 24.9 | 0.15 (0.1–0.23) | <0.001 |
High | 22.6 | 12.2 | 0.67 (0.5–0.9) | 0.008 |
Alcohol use | 85.1 | 42.8 | 7.64 (5.5–10.62) | <0.001 |
Tobacco use | 78.6 | 19.7 | 15.01 (11.41–19.75) | <0.001 |
Tobacco users (n = 13,967), % | Non-users (n = 58,094), % | OR (95 % CI) |
p-value | |
---|---|---|---|---|
Age (years), mean (95 % CI) | 15.70 (1.54) | 14.83 (1.75) | 1.35 (1.34–1.35) | <0.001 |
Sex, male, % | 74.4 | 46.6 | 3.33 (3.31–3.25) | <0.001 |
Area of residence, % | ||||
Rural | 7.4 | 6.3 | ref | |
Small city | 50.3 | 49.8 | 0.86 (0.86–0.87) | <0.001 |
Large city | 42.4 | 43.9 | 0.83 (0.82–0.84) | <0.001 |
Paternal Education, % | ||||
Middle school education or lower | 5.5 | 3.0 | ref | |
High school education | 43.3 | 34.8 | 0.67 (0.66–0.68) | <0.001 |
College degree or higher | 51.2 | 62.2 | 0.45 (0.44–0.45) | <0.001 |
Maternal Education, % | ||||
Middle school education or lower | 4.5 | 2.6 | ref | |
High school education | 53.4 | 45.2 | 0.69 (0.68–0.70) | <0.001 |
College degree or higher | 42.1 | 52.1 | 0.47 (0.46–0.48) | <0.001 |
Residential type, % | ||||
With family | 94.2 | 96.4 | ref | |
With relatives | 1.6 | 0.7 | 2.37 (2.31–2.43) | <0.001 |
With friends, alone, domitory | 3.2 | 2.6 | 1.24 (1.22–1.26) | <0.001 |
Facility | 1.0 | 0.3 | 3.32 (3.22–3.43) | <0.001 |
Socio–economic status, % | ||||
Low | 7.1 | 3.0 | ref | |
Low-Middle | 18.8 | 13.1 | 0.62 (0.61–0.62) | <0.001 |
Middle | 46.1 | 48.8 | 0.41 (0.40–0.41) | <0.001 |
High-Middle | 21.0 | 26.8 | 0.34 (0.33–0.34) | <0.001 |
High | 7.0 | 8.2 | 0.37 (0.37–0.38) | <0.001 |
Academic achievement, % | ||||
Low | 20.1 | 8.7 | ref | |
Low-Middle | 28.8 | 22.9 | 0.54 (0.54–0.55) | <0.001 |
Middle | 24.7 | 28.8 | 0.37 (0.36–0.37) | <0.001 |
High-Middle | 18.0 | 26,5 | 0.29 (0.29–0.30) | <0.001 |
High | 8.4 | 13.2 | 0.27 (0.27–0.28) | <0.001 |
Alcohol use | 82.1 | 33.2 | 9.22 (9.16–9.28) | <0.001 |
Alcohol users (n = 30,566), % | Non-users (n = 41,494), % | OR (95 % CI) |
p-value | |
---|---|---|---|---|
Age (years), mean (95 % CI) | 15.60 (1.65) | 14.56 (1.68) | 1.44 (1.43–1.44) | <0.001 |
Sex, male, % | 58.8 | 47.2 | 1.60 (1.59–1.61) | <0.001 |
Area of residence, % | ||||
Rural | 7.5 | 5.7 | ref | |
Small city | 49.7 | 50.1 | 0.76 (0.75–0.77) | <0.001 |
Large city | 42.8 | 44.2 | 0.74 (0.73–0.75) | <0.001 |
Paternal Education, % | ||||
Middle school education or lower | 4.6 | 2.6 | ref | |
High school education | 41.1 | 33.0 | 0.71 (0.70–0.72) | <0.001 |
College degree or higher | 54.4 | 64.4 | 0.48 (0.48–0.49) | <0.001 |
Maternal Education, % | ||||
Middle school education or lower | 3.7 | 2.4 | ref | |
High school education | 52.0 | 42.8 | 0.79 (0.78–0.80) | <0.001 |
College degree or higher | 44.2 | 54.7 | 0.53 (0.52–0.53) | <0.001 |
Residential type, % | ||||
With family | 94.7 | 96.9 | ref | |
With relatives | 1.2 | 0.6 | 2.05 (2.00–2.10) | <0.001 |
With friends, alone, domitory | 3.5 | 2.2 | 1.65 (1.63–1.67) | <0.001 |
Facility | 0.6 | 0.3 | 1.91 (1.85–1.97) | <0.001 |
Socio-economic status, % | ||||
Low | 5.2 | 2.8 | ref | |
Low-Middle | 17.1 | 12.1 | 0.77 (0.76–0.78) | <0.001 |
Middle | 47.8 | 48.6 | 0.54 (0.53–0.54) | <0.001 |
High-Middle | 23.0 | 27.7 | 0.46 (0.45–0.46) | <0.001 |
High | 6.8 | 8.8 | 0.42 (0.42–0.43) | <0.001 |
Academic achievement, % | ||||
Low | 14.3 | 8.4 | ref | |
Low-Middle | 26.5 | 22.2 | 0.70 (0.70–0.71) | <0.001 |
Middle | 27.0 | 28.7 | 0.55 (0.55–0.56) | <0.001 |
High-Middle | 22.4 | 26.6 | 0.49 (0.49–0.50) | <0.001 |
High | 9.8 | 14.1 | 0.41 (0.40–0.41) | <0.001 |
Illicit drug users (N = 311), % | Non-users (N = 71,749), % | AOR (95 % CI) |
p-value | Tobacco users (n = 13,967), % | Non-users (n = 58,094), % | AOR (95 % CI) |
p-value | Alcohol users (n = 30,566), % | Non-users (n = 41,494), % | AOR (95 % CI) |
p-value | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Perceived stress | 48.2 | 36.9 | 1.98 (1.88–2.08) | <0.001 | 42.3 | 35.7 | 1.32 (1.31–1.33) | <0.001 | 41.6 | 33.5 | 1.33 (1,32–1.34) | <0.001 |
Depressive mood | 57.6 | 26.6 | 3.34 (3.17–3.52) | <0.001 | 35.7 | 24.5 | 1.75 (1.73–1.76) | <0.001 | 33.2 | 21.8 | 1.71 (1.70–1.72) | <0.001 |
Suicide idea | 49.5 | 12.9 | 4.52 (4.29–4.76) | <0.001 | 18.8 | 11.6 | 1.83 (1.81–1.84) | <0.001 | 16.4 | 10.5 | 1.66 (1.65–1.67) | <0.001 |
Suicide plan | 41.0 | 4.3 | 9.93 (9.39–10.49) | <0.001 | 7.3 | 3.7 | 1.97 (1.94–2.00) | <0.001 | 5.9 | 3.3 | 1.87 (1.84–1.89) | <0.001 |
Suicide attempt | 34.1 | 2.8 | 13.13 (12.37–13.93) | <0.001 | 5.6 | 2.3 | 2.91 (2.86–2.96) | <0.001 | 4.0 | 2.1 | 2.26 (2.22–2.30) | <0.001 |
Problematic drinking | 45.2 | 6.3 | 12.90 (12.21–13.63) | <0.001 | 24.2 | 2.1 | 10.90 (10.77–11.04) | <0.001 | 15.1 | - | ||
Sexual relations with the opposite sex | 41.5 | 4.5 | 9.92 (9.39–10.48) | <0.001 | 14.3 | 2.3 | 5.15 (5.09–5.22) | <0.001 | 8.3 | 2.0 | 3.23 (3.18–3.28) | <0.001 |
Sexual relations with the same sex | 46.9 | 0.8 | 28.27 (26.43–30.24) | <0.001 | 2.7 | 0.6 | 3.02 (2.92–3.12) | <0.001 | 1.5 | 0.6 | 1.93 (1.87–2.00) | <0.001 |