Table 2.
Unadjusted odds ratios (OR) and 95% Confidence Intervals (CI) of suicidal ideation (dependent variable) in relation to substance use status.
| Suicidal Ideation-W1 | Suicidal Ideation-W2 | Suicidal Ideation–W3 | Suicidal Ideation-W4 | |
|---|---|---|---|---|
|
| ||||
| Regular Smoking-Wave 1 | 2.89 (2.25–3.70) *** | 2.41 (1.90–3.06) *** | 1.55 (1.07–2.23) * | ns. |
| Regular Smoking-Wave 2 | 2.83 (2.15–3.71) *** | ns. | 1.48 (1.01–2.18) * | |
| Regular Smoking-Wave 3 | 1.69(1.26–2.28) ** | 1.72 (1.22–2.42) ** | ||
| Regular Smoking-Wave 4 | 1.74 (1.25–2.42) ** | |||
|
| ||||
| Alcohol Use-Wave 1 | ||||
| ≤Monthly Use: No Use | 2.36 (1.81–3.07) *** | 1.76 (1.39–2.23) *** | ns. | ns. |
| Weekly Use: No Use | 3.02 (2.06–4.42) *** | 2.37 (1.60–3.53) *** | ns. | ns. |
|
| ||||
| Alcohol Use–Wave 2 | ||||
| ≤Monthly Use: No Use | 1.99 (1.53–2.58) *** | ns. | ns. | |
| Weekly Use: No Use | 2.40 (1.61–3.57) *** | ns. | ns. | |
|
| ||||
| Alcohol Use-Wave 3 | ||||
| ≤Monthly Use: No Use | 2.35 (1.41–3.92) ** | ns. | ||
| Weekly Use: No Use | 2.57 (1.58–4.16) *** | ns. | ||
| Alcohol Use-Wave 4 | ||||
| ≤Monthly Use: No Use | ns. | |||
| Weekly Use: No Use | ns. | |||
|
| ||||
| Marijuana Use-Wave 1 | 3.09 (2.44–3.91) *** | 2.03 (1.56–2.63) *** | 1.56 (1.08–2.26) * | 1.83 (1.27–2.65) ** |
| Marijuana Use-Wave 2 | 2.59 (2.01–3.32) *** | 1.52 (1.10–2.11) * | ns. | |
| Marijuana Use-Wave 3 | 2.89 (2.05–4.07) *** | 1.46 (1.01–2.09) * | ||
| Marijuana Use-Wave 4 | 1.98 (1.34–2.93) ** | |||
|
| ||||
| Other Illegal Drugs-Wave 1 | 4.57 (3.52–5.94) *** | 3.02 (2.24–4.08) *** | 1.94 (1.29–2.92) ** | 2.17 (1.41–3.35) *** |
| Other Illegal Drugs-Wave 2 | 4.39 (3.19–6.03) *** | 1.66 (1.03–2.66) * | ns. | |
| Other Illegal Drugs-Wave 3 | 3.48 (2.53–4.79) *** | 1.59 (1.17–2.17) ** | ||
| Other Illegal Drugs-Wave 4 | 2.16 (1.53–3.05) *** | |||
Note.
*
p≤.05,
**
p<.01,
***
p<.001. ns., insignificant.