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Open AccessOriginalarbeit

Langzeiteffekte des Präventionsprogramms Klasse2000 auf den Substanzkonsum

Ergebnisse einer kontrollierten Studie an Schülerinnen und Schülern in Hessen

Published Online:June 29, 2015https://doi.org/10.1024/0939-5911.a000365

Abstract

Zielsetzung: Untersuchung der langfristigen Auswirkungen des für die Grundschule konzipierten Präventionsprogramms Klasse2000 auf den Substanzkonsum. Methodik: Klasse2000 will mittels interaktiver Methoden die Lebenskompetenzen fördern und zu einem gesunden Lebensstil motivieren. Die Daten wurden in schriftlichen Nachbefragungen einer Kontrollgruppenstudie mit Messwiederholung 16 Monate (N = 501, mittl. Alter 11,4 Jahre, 43,7 % männlich) und 36 Monate (N = 408, mittl. Alter 12,9 Jahre, 43,1 % männlich) nach Ende der Intervention gewonnen. Die Zuteilung zu den Gruppen erfolgte in der Ursprungsstudie auf Ebene der Schulen unter Berücksichtigung der Präferenz der Schulen. Ergebnisse: In beiden Nachbefragungen waren Lebenszeitprävalenz und Inzidenz des Rauchens in der Interventionsgruppe statistisch bedeutsam geringer als in der Kontrollgruppe. Beim Alkoholkonsum konnte nur in der ersten Nachbefragung eine signifikant geringere Lebenszeitprävalenz in der Interventionsgruppe gefunden werden. In der zweiten Nachbefragung war in der Untergruppe derjenigen Jugendlichen, die bereits Alkohol konsumiert hatten, in der Interventionsgruppe die Intensität des Alkoholkonsums geringer als in der Kontrollgruppe. Schlussfolgerungen: 16 bzw. 36 Monate nach Abschluss der Intervention finden sich Hinweise auf präventive Effekte des Programms Klasse2000 auf das Rauchverhalten. Für den Alkoholkonsum ist die Befundlage weniger überzeugend.


Long-term Effects of the Prevention Program Klasse2000 on Substance Use: Results of a controlled Study in Students in Hesse

Aims: To investigate the long-term effects of the elementary school-based prevention program Klasse2000 on substance use. Methods: Klasse2000 is a curriculum for grades 1 to 4 which is implemented in routine school settings. By using interactive methods, Klasse2000 aims to foster life skills as well as a healthy lifestyle in children. Data were assessed in two written follow-up surveys of a sample of students originating from a controlled trial in Hesse. Surveys were conducted 16 months (N = 501, mean age 11.4 years, 43.7 % male) and 36 months (N = 408, mean age 12.9 years, 43.1 % male) after the completion of the intervention. In the origin study, schools were allocated to either the intervention or control group, the preference of schools being taken into account. Results: In both follow-up surveys, lifetime prevalence and incidence of smoking was significantly lower in intervention students compared to control students. There was only one significant group difference for lifetime prevalence of alcohol use in the first follow-up survey. At second follow-up, intensity of alcohol use among those with ever-use was lower in intervention students. Conclusion: We found hints for the preventive effects of Klasse2000 on smoking 16 resp. 36 months after completion of the intervention. For alcohol use, the evidence of efficacy is less convincing.

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