TABLE 2.
Prevalence ratios (95% confidence intervals) from multivariate logistic regression models.a
| Substance use past 30 days (ref = 0 days) | Marijuana | Cigarette | Cigar | Snuff | E-cigarette | Any alcohol | Binge drinking |
|---|---|---|---|---|---|---|---|
| Seriously considered suicide | |||||||
| 1–2 days | 1.32 (1.23–1.41) | 1.29 (1.18–1.42) | 1.21 (1.11–1.33) | 1.26 (1.10–1.44) | 1.09 (0.97–1.22) | 1.28 (1.21–1.37) | 1.28 (1.21–1.36) |
| 3–9 days | 1.38 (1.27–1.50) | 1.49 (1.35–1.65) | 1.48 (1.32–1.65) | 1.40 (1.21–1.62) | 1.24 (1.10–1.39) | 1.40 (1.30–1.51) | 1.34 (1.22–1.48) |
| 10–19 days | 1.38 (1.23–1.54) | 1.58 (1.37–1.83) | 1.29 (1.07–1.55) | 1.28 (1.01–1.62) | 1.29 (1.08–1.55) | 1.43 (1.26–1.62) | 1.70 (1.44–2.01) |
| 20+ days | 1.54 (1.43–1.65) | 1.75 (1.61–1.91) | 1.69 (1.51–1.89) | 1.43 (1.29–1.59) | 1.63 (1.45–1.84) | 1.90 (1.65–2.20) | 2.04 (1.73–2.40) |
| Planned suicide | |||||||
| 1–2 days | 1.43 (1.30–1.56) | 1.26 (1.11–1.42) | 1.22 (1.10–1.36) | 1.25 (1.09–1.43) | 1.25 (1.08–1.45) | 1.26 (1.18–1.35) | 1.31 (1.22–1.41) |
| 3–9 days | 1.45 (1.30–1.61) | 1.67 (1.48–1.89) | 1.54 (1.37–1.74) | 1.42 (1.18–1.71) | 1.33 (1.16–1.55) | 1.47 (1.36–1.59) | 1.41 (1.27–1.57) |
| 10–19 days | 1.49 (1.31–1.69) | 1.67 (1.43–1.95) | 1.28 (1.04–1.57) | 1.27 (0.95–1.70) | 1.57 (1.25–1.97) | 1.62 (1.40–1.87) | 1.82 (1.42–2.27) |
| 20+ days | 1.62 (1.50–1.75) | 1.78 (1.60–1.97) | 2.00 (1.79–2.24) | 1.54 (1.31–1.82) | 1.76 (1.54–2.01) | 2.34 (2.03–2.70) | 2.55 (2.15–3.02) |
| Attempted suicide | |||||||
| 1–2 days | 1.65 (1.46–1.86) | 1.78 (1.55–2.04) | 1.81 (1.56–2.09) | 1.95 (1.60–2.39) | 1.25 (1.00–1.55) | 1.50 (1.34–1.69) | 1.75 (1.58–1.93) |
| 3–9 days | 2.11 (1.85–2.41) | 2.41 (2.05–2.83) | 2.31 (1.97–2.72) | 1.96 (1.57–2.44) | 1.94 (1.61–2.34) | 1.98 (1.76–2.23) | 1.91 (1.67–2.20) |
| 10–19 days | 2.13 (1.80–2.51) | 2.79 (2.25–3.45) | 2.53 (1.92–3.35) | 1.97 (1.49–2.60) | 1.94 (1.42–2.64) | 1.98 (1.63–2.40) | 2.40 (1.84–3.12) |
| 20+ days | 2.64 (2.37–2.93) | 2.79 (2.48–3.13) | 3.35 (2.89–3.90) | 2.59 (2.19–3.06) | 2.45 (1.98–3.04) | 4.89 (4.05–5.91) | 5.36 (4.22–6.80) |
| Attempt requiring medical attention | |||||||
| 1–2 days | 1.98 (1.55–2.52) | 2.35 (1.82–3.05) | 2.02 (1.55–2.64) | 2.47 (1.81–3.37) | 1.86 (1.24–2.78) | 1.88 (1.55–2.27) | 2.13 (1.79–2.55) |
| 3–9 days | 2.52 (1.98–3.21) | 2.81 (2.14–3.69) | 3.19 (2.51–4.06) | 3.47 (2.51–4.79) | 2.61 (1.91–3.56) | 2.68 (2.15–3.33) | 3.31 (2.65–4.14) |
| 10–19 days | 3.15 (2.40–4.12) | 4.91 (3.37–7.16) | 4.37 (2.94–6.49) | 3.40 (2.18–5.29) | 3.28 (1.96–5.49) | 4.11 (3.03–5.57) | 4.94 (3.52–6.92) |
| 20+ days | 4.51 (3.65–5.58) | 5.30 (4.34–6.47) | 5.48 (4.34–6.93) | 5.15 (4.01–6.60) | 3.52 (2.45–5.06) | 10.8 (8.28–14.2) | 11.6 (8.47–15.9) |
a
Models controlled for sex, race/ethnicity, grade, bullying, depressed mood, and survey year