Using life course charts to assess and compare trajectories of amphetamine type stimulant consumption in different user groups – a cross-sectional study

Martens, Marcus Sebastian, Zurhold, Heike, Rosenkranz, Moritz, O'Donnell, Amy, Addison, Michelle, Spencer, Liam, Mcgovern, William, Gabrhelík, Roman, Petruželka, Benjamin, Rowicka, Magdalena, Liebregts, Nienke, Degkwitz, Peter, Kaner, Eileen and Verthein, Uwe (2019) Using life course charts to assess and compare trajectories of amphetamine type stimulant consumption in different user groups – a cross-sectional study. Harm Reduction Journal. ISSN 1477-7517 (In Press)

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Abstract

Background:Amphetamine-type stimulants (ATS) are the second most commonly used illicit drugs globally, and in Europe. However, there is limited understanding of what shapes patterns of ATS use over the life course. The ATTUNE project “Understanding Pathways to Stimulant Use: a mixed methods examination of the individual, social and cultural factors shaping illicit stimulant use across Europe” aims to fill this gap. Here we report initial findings from the life course chart exercise conducted as part of qualitative interviews with ATS users and nonusers.Methods:279 in-depth qualitative interviews were conducted with five ATS user groups (current and former dependent users/-current and former frequent users/ non-frequent users) and one group of exposed non-ATS users were conducted in five European countries (Germany, United Kingdom, Poland, Netherlands and Czech Republic). As part of the interviews, we used life course charts to capture key life events and substance use histories. Life events were categorised as either positive, neutral or negative, and associated data were analysed systematically to identify differences between user groups. We applied statistical analysis of variance (ANOVA) and analysis of covariance (ANCOVA) to test for group differences.Results:Out of 3,547 life events documented, 1,523 life events were categorised as neutral, 1,005 life events as positive and 1,019 life events as negative. Current and formerly dependent ATS users showed more negative life events for the entire life course after age adjustment. Although some group differences could be attributed to the individuals’ life course prior to first ATS use, most negative life events were associated with periods of ATS usage. A detailed analysis of the specific life domains reveal that dominantly the social environment were affected by the negative life events.Conclusions:For non- dependent, frequent and non-frequent ATS users negative life events from the period of ATS use do not become obvious in our analysed data. Besides preventing a pathway into ATS dependency, the aim of an intervention should be to reduce the harm by for example drug testing which offers also the opportunity for interventions to prevent developing a substance use dependency.For the group of dependent ATS user our study suggests holistic, tailored interventions and specialist treatment services are needed, as a single, simple intervention is unlikely to cover all the life domains affected.

Item Type: Article
Uncontrolled Keywords: Life course charts, amphetamine type stimulant, life events, adults, life course approach
Subjects: B200 Pharmacology, Toxicology and Pharmacy
B900 Others in Subjects allied to Medicine
L400 Social Policy
Department: Faculties > Arts, Design and Social Sciences > Social Sciences
Faculties > Health and Life Sciences > Social Work, Education and Community Wellbeing
Depositing User: Elena Carlaw
Date Deposited: 15 Nov 2019 10:28
Last Modified: 15 Nov 2019 10:30
URI: http://nrl.northumbria.ac.uk/id/eprint/41449

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