Table 2.
Logistic regression analyses of associations between alcohol- and illicit drug use and negative school-related outcomes.
| Low GPA | High number of days missed from school | High number of hours missed from school | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| TRIED ALCOHOL (n = 6,159) | ||||||
| Crude | 1.98*** | 1.70, 2.31 | 2.20*** | 1.74, 2.78 | 2.99*** | 2.32, 3.84 |
| Adjusted for age, gender and SES | 2.12*** | 1.79, 2.50 | 1.85*** | 1.44, 2.36 | 2.59*** | 1.99, 3.36 |
| + adj for mental health problemsa | 1.83*** | 1.54, 2.18 | 1.60*** | 1.25, 2.06 | 2.09*** | 1.60, 2.73 |
| TRIED ILLICIT DRUGS (n = 788) | ||||||
| Crude | 1.82*** | 1.36, 2.44 | 3.04*** | 2.51, 3.69 | 3.44*** | 2.86, 4.14 |
| Adjusted for age, gender and SES | 1.92*** | 1.42, 2.58 | 2.81*** | 2.29, 3.44 | 3.12*** | 2.57, 3.79 |
| + adj for mental health problemsa | 1.48* | 1.09, 2.01 | 2.31*** | 1.87, 2.86 | 2.28*** | 1.86, 2.80 |
| POSITIVE CRAFFT-SCORE (n = 1,664) | ||||||
| Crude | 2.04*** | 1.65, 2.52 | 2.41*** | 2.04, 2.83 | 2.41*** | 2.06, 2.83 |
| Adjusted for age, gender and SES | 2.05*** | 1.65, 2.54 | 2.13*** | 1.80, 2.52 | 2.21*** | 1.88, 2.60 |
| + adj for mental health problemsa | 1.60*** | 1.27, 2.00 | 1.70*** | 1.42, 2.04 | 1.53*** | 1.28, 1.83 |
| FREQUENT ALC INTOXICATIONb (n = 1,588) | ||||||
| Crude | 2.14*** | 1.68, 2.72 | 1.79*** | 1.51, 2.14 | 2.17*** | 1.84, 2.56 |
| Adjusted for age, gender and SES | 2.31*** | 1.80, 2.96 | 1.63*** | 1.35, 1.96 | 2.05*** | 1.72, 2.44 |
| + adj for mental health problemsa | 2.04*** | 1.59, 2.63 | 1.44*** | 1.19, 1.74 | 1.70*** | 1.42, 2.04 |
| HIGH ALCOHOL CONSUMPTIONc (n = 453) | ||||||
| Crude | 2.12*** | 1.42, 3.17 | 1.97*** | 1.51, 2.56 | 2.68*** | 2.11, 3.40 |
| Adjusted for age, gender and SES | 2.00** | 1.33, 3.00 | 1.71*** | 1.29, 2.26 | 2.51*** | 1.96, 3.23 |
| + adj for mental health problemsa | 1.66* | 1.10, 2.51 | 1.48** | 1.11, 1.97 | 1.90*** | 1.46, 2.47 |
| ANY ALCOHOL/DRUG PROBLEM (n = 2,710) | ||||||
| Crude | 2.21*** | 1.86, 2.63 | 2.49*** | 2.13, 2.90 | 2.82*** | 2.42, 3.28 |
| Adjusted for age, gender and SES | 2.30*** | 1.92, 2.76 | 2.17*** | 1.85, 2.56 | 2.60*** | 2.21, 3.04 |
| + adj for mental health problemsa | 1.90*** | 1.58, 2.30 | 1.85*** | 1.56, 2.19 | 1.98*** | 1.67, 2.35 |
N = 7,874 (girls n = 4,121, boys, n = 3,753).
a
The measure for mental health problems includes depression (SMFQ), anxiety (SCARED), inattention/hyperactivity (ASRS), and conduct problems (YCD).
b
Drinking alcohol to intoxication more than 10 times.
c
≥90th percentile gender-specific alcohol consumption (n = 453) among adolescents with a present alcohol consumption (n = 4,503).
Bold font denotes statistical significant mean differences at
***
p < 0.001,
**
p < 0.01,
*
p < 0.05.