1. Claudia van der Heijde (Msc), Peter Vonk (MD) & Frans Meijman (MD, PhD) Student Health Services, University of Amsterdam Department of Research, development and prevention University of Amsterdam – the Netherlands 3rd European Symposium on Substance Use and Abuse among University Students 7th - 8th June 2012, University of Bradford, UK

2. significant relationships between substance use and dependency and academic performance: different findings, sometimes contradictory, depending on group and not withstanding when adding control variables Gliksman et al (1997) Gill (2002) De Berard, (2004) Ter Bogt (2009)

3.  Is there a relationship between substance use, and study problems in students of tertiary education? (smoking, alcohol, drugs)  Can we use substance use as a indicator for study problems in students of tertiary education? (does the relationship remains when we control for other factors?)  Are certain risk factors (gender, living situation) in line with former research findings?

4.  Measures CDS-5, AUDIT, DAST-10  Measures academic grade, self-rated and other-rated study pace, chance of drop out %  Hierarchical regressions (including control factors, age, gender, living situation, high school grade)

6.  3982 respondents  male –female proportion was 30%-70%  average age 22.8 years (SD=4.28)  study phase (32% Prop ; 58% Bach; 10% Mast)  Living situation (46% parents or family; 22% peers; 18% alone; 14% partner)  Average academic grade: 6.9 (SD=0.8)  Average self-rated study pace: 6.9 (SD=1.8)  Average other-rated study pace: 7.3 (SD=1.6)  Average chance of quitting: 8.6% (SD=16.3)

7.  Academic grade  F(7, 2440)=41.3; p=.00  Self-rated study pace  F(7, 2440)=14.6; p=.000  Other-rated study pace  F(7, 2440)=19.3; p=.000  Academic grade  F(7, 2440)=3.1; p=.003

14.  Smoking can be used as an indicator for student counsellors, teachers and other professionals in the close vicinity of the student  Living situation and gender can be included as extra risk factors

15. c.m.vanderheijde@uva.nl