Acute Alcohol Intoxication: Differences in School Levels and Effects on Educational Performance

Figures & data

Table 1. School level related to age, blood alcohol content, and gender.

Characteristics	Low (N = 1,218)	Middle (N = 662)	High (N = 509)
Sample percentage ^a^*	51.0%	27.7%	21.3%
(N = 2,412)
Dutch population 12- to 18-year-olds^*	43.3%	28.0%	28.7%
(N = 570,990)	(N = 247,492)	(N = 159,847)	(N = 163,651)
Average age^b	15.05 (1.11)^1	15.32 (1.11)^2	15.39 (1.12)^2
BAC gram/liter^b	1.85 (.55)^1	1.97 (.56)^2	1.99 (.53)^2
Gender^a ^n.s.
- Male	50.0%	50.7%	48.5%
- Female	50.0%	49.3%	51.5%

^a Chi-square (non-significant);

^b ANOVA, with Bonferroni post hoc. Identical numbers in superscript represent identical values.

* p < .001.

Table 2. Sociodemographic and medical characteristics recidivists compared with all patients.

Characteristics	Non-recidivists (N = 3,404)	Recidivists^a(N = 37)
Gender ^b^*
- Male	51.7%	73.0%
- Female	48.3%	27.0%
Age during treatment ^c(SD)	15.32 (1.19)	15.08 (1.12)
Age at first alcoholic consumption ^c(SD)	14.04 (1.89)	13.67 (2.76)
Educational level ^b
- Low	50.8%	50.0%
- Middle	27.8%	19.2%
- High	21.4%	30.8%
Educational performance ^b
- Not repeated	78.1%	75.0%
- Repeated	19.4%	21.4%
- Dropout	2.5%	3.6%
Smoking ^b	24.6%	20.0%
Combined drug use during alcohol intoxication ^b	11.1%	11.8%
Blood alcohol content gram/liter ^c (SD)	1.91 (0.57)	1.81 (0.53)
Duration of reduced consciousness in hours ^c (SD)	2.97 (3.32)	1.96 (1.41)
Days in the hospital ^c (SD)	0.96 (0.44)	1.05 (0.58)
Days at Intensive Care ^c (SD)	0.09 (0.39)	0.00 (0.00)
Medication use ^b	20.2%	16.7%
Place of consumption ^b
- At parental home	8.4%	8.6%
- At own home	1.0%	2.9%
- At friends' home	42.3%	42.9%
- On the street	22.0%	31.4%
- In bar/restaurant	12.2%	11.4%

^a Data from first treatment presented;

^b Chi-square;

^c Independent sample t-test: all n.s.

* p < .01.

Table 3. Recidivists and treatment characteristics during first and second admittance.

Characteristics	First Admittance (N = 37)	Second Admittance (N = 37)
Age during treatment ^a(SD)	15.08^* (1.12)	15.76^* (1.04)
Educational level ^b
- Low	50.0%	47.8%
- Middle	19.2%	30.4%
- High	30.8%	21.7%
Smoking ^b	24.6%	20.0%
Combined drug use during alcohol intoxication ^b	11.1%	11.8%
Blood alcohol content gram/liter ^a (SD)	1.89 (0.57)	1.81 (0.53)
Duration of reduced consciousness in hours ^a (SD)	1.96^* (1.41)	3.97^* (3.24)
Days in the hospital ^a (SD)	1.05 (0.58)	0.89 (0.46)
Days at Intensive Care ^a (SD)	0.00 (0.00)	0.00 (0.00)
Place of consumption ^b
- At parental home	8.6%	3.7%
- At own home	2.9%	3.7%
- At friends' home	42.9%	44.4%
- On the street	31.4%	18.5%
- In bar/restaurant	11.4%	14.8%

^a Independent sample t-test;

^b Chi-square.

* p < .01.