The Severity of Dependence Scale (SDS): psychometric properties of the SDS in English and Australian samples of heroin, cocaine and amphetamine users.
The SDS satisfies a number of criteria which indicate its suitability as a measure of dependence, and shows criterion validity in that drug users who have sought treatment at specialist and non-specialist agencies for drug problems have higher SDS scores than non-treatment samples.
Grand challenges in global mental health
- P. Collins, V. Patel, M. Walport
- MedicineNature
- 6 July 2011
A consortium of researchers, advocates and clinicians announces here research priorities for improving the lives of people with mental illness around the world, and calls for urgent action and…
Extent of illicit drug use and dependence, and their contribution to the global burden of disease
- L. Degenhardt, W. Hall
- Medicine, Political ScienceThe Lancet
- 7 January 2012
Recreational MDMA use in Sydney: a profile of 'Ecstacy' users and their experiences with the drug.
- N. Solowij, W. Hall, N. Lee
- PsychologyBritish Journal of Addiction
- 1 August 1992
The research revealed that Ecstasy is primarily used by infrequent recreational drug users for 'fun' at dance parties and social gatherings and tolerance was reported to develop to the positive effects of Ecstasy, while negative effects increased with use.
Development and validation of a multi-dimensional instrument for assessing outcome of treatment among opiate users: the Opiate Treatment Index.
- S. Darke, W. Hall, A. Wodak, N. Heather, J. Ward
- PsychologyBritish Journal of Addiction
- 1 May 1992
Psychometric properties of the Index are excellent, suggesting that the OTI is a relatively quick, efficient means of obtaining reliable and valid data on opiate users undergoing treatment over a range of relevant outcome domains.
Adverse effects of cannabis
- W. Hall, N. Solowij
- MedicineThe Lancet
- 14 November 1998
Exploring the association between cannabis use and depression.
- L. Degenhardt, W. Hall, M. Lynskey
- Psychology, MedicineAddiction
- 1 November 2003
Heavy cannabis use and depression are associated and evidence from longitudinal studies suggests that heavy cannabis use may increase depressive symptoms among some users, but it is still too early, however, to rule out the hypothesis that the association is due to common social, family and contextual factors that increase risks of both heavy cannabis Use and depression.
Mortality among clients of a state-wide opioid pharmacotherapy program over 20 years: risk factors and lives saved.
- L. Degenhardt, D. Randall, W. Hall, M. Law, T. Butler, L. Burns
- Medicine, PsychologyDrug and Alcohol Dependence
- 1 November 2009
Adverse health effects of non-medical cannabis use
- W. Hall, L. Degenhardt
- Medicine, PsychologyThe Lancet
- 17 October 2009
Cannabis use and mental health in young people: cohort study
- G. Patton, C. Coffey, J. Carlin, L. Degenhardt, M. Lynskey, W. Hall
- PsychologyBMJ : British Medical Journal
- 1 November 2002
Depression and anxiety in teenagers do not predict later cannabis use; self medication is therefore unlikely to be the reason for the association and measures to reduce frequent and heavy recreational use seem warranted.
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