Table 4.
Results of bivariate analysis between substance use and mental health indicators among 9th grade adolescents in the 2015 PeNSE.
| Variables | Feel Alone | Does Not Have More than 1 Close Friend | Have Trouble Sleeping Due to Worries | ||||||
|---|---|---|---|---|---|---|---|---|---|
| % | PR | p | % | PR | p | % | PR | p | |
| Smoked cigarettes | |||||||||
| No | 42.4 | 1 | <0.001 | 9.9 | 1 | <0.001 | 33.9 | 1 | <0.001 |
| Yes | 54.9 | 1.30 (1.28–1.32) | 12.9 | 1.31 (1.25–1.36) | 46.6 | 1.38 (1.35–1.40) | |||
| In the last 30 days, how many days did you smoke cigarettes | |||||||||
| None | 54.2 | 1 | <0.001 | 12.7 | 1 | <0.001 | 44.4 | 1 | <0.001 |
| 1 to 2 days | 56.6 | 1.04 (1.01–1.02) | 12.4 | 0.98 (0.88–1.09) | 51.0 | 1.15 (1.10–1.20) | |||
| 3 to 9 days | 59.8 | 1.10 (1.05–1.16) | 12.2 | 0.96 (0.83–1.12) | 54.1 | 1.22 (1.16–1.29) | |||
| 10 or more | 54.8 | 1.01(0.96–1.07) | 17.8 | 1.41 (1.24–1.60) | 52.8 | 1.19 (1.13–1.26) | |||
| Have you been consumed alcoholic beverages during your lifetime | |||||||||
| No | 38.2 | 1 | <0.001 | 10.3 | 1 | 0.049 | 29.5 | 1 | <0.001 |
| Yes | 50.8 | 1.33 (1.31–1.35) | 10.7 | 1.04 (1.00–1.06) | 42.4 | 1.44 (1.41–1.46) | |||
| In the last 30 days, how many days did you drink alcoholic beverages | |||||||||
| None | 48.5 | 1 | <0.001 | 10.9 | 1 | <0.001 | 38.4 | 1 | <0.001 |
| 1 to 2 days | 52.8 | 1.09 (1.07–1.11) | 10.2 | 0.94 (0.88–0.99) | 45.6 | 1.19 (1.16–1.22) | |||
| 3 to 9 days | 54.0 | 1.11(1.08–1.14) | 10.0 | 0.91 (0.84–0.99) | 48.9 | 1.27 (1.24–1.31) | |||
| 10 or more | 53.5 | 1.10 (1.06–1.14) | 12.6 | 1.16 (1.05–1.29) | 53.9 | 1.40 (1.35–1.46) | |||
| Did you drink until you became drunk | |||||||||
| None | 47.9 | 1 | <0.001 | 10.2 | 1 | <0.001 | 38.4 | 1 | <0.001 |
| 1 to 2 days | 55.0 | 1.15 (1.13–1.17) | 11.2 | 1.09 (1.03–1.16) | 46.9 | 1.22 (1.20–1.25) | |||
| 3 to 9 days | 55.0 | 1.15 (1.12–1.18) | 12.0 | 1.18 (1.08–1.28) | 51.3 | 1.34 (1.30–1.38) | |||
| 10 or more | 52.8 | 1.10 (1.06–1.15) | 12.5 | 1.23 (1.09–1.37) | 51.6 | 1.34 (1.29–1.40) | |||
| Used illicit drugs in your lifetime | |||||||||
| No | 43.8 | 1 | <0.001 | 10.2 | 1 | <0.001 | 35.0 | 1 | <0.001 |
| Yes | 54.8 | 1.26 (1.23–1.28) | 13.5 | 1.32 (1.25–1.40) | 49.0 | 1.40 (1.37–1.43) | |||
| In the last 30 days, how many days did you use illicit drugs | |||||||||
| None | 53.7 | 1 | 0.023 | 13.6 | 1 | 0.002 | 47.0 | 1 | <0.001 |
| 1 to 2 days | 57.2 | 1.07 (1.02–1.12) | 12.2 | 0.90 (0.78–1.03) | 49.8 | 1.06 (1.01–1.12) | |||
| 3 to 9 days | 56.6 | 1.05 (0.99–1.12) | 12.5 | 0.92 (0.78–1.10) | 54.4 | 1.16 (1.09–1.23) | |||
| 10 or more | 52.9 | 0.98 (0.92–1.06) | 17.4 | 1.28 (1.08–1.51) | 51.3 | 1.09 (1.02–1.18) | |||
PeNSE: Pesquisa Nacional de Saúde do Escolar (National School Health Survey), PR: prevalence ratio, and CI: confidence interval.