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- W2134206255 abstract "To study community wide trends in injecting prevalence and trends in injecting transitions, and determinants.Open cohort study with follow up every four months (Amsterdam Cohort Study). Generalised estimating equations were used for statistical analysis.Amsterdam has adopted a harm reduction approach as drug policy.996 drug users who were recruited from 1986 to 1998, mainly at methadone programmes, who paid 13620 cohort visits.The prevalence of injecting decreased exponentially (66% to 36% in four to six monthly periods). Selective mortality and migration could maximally explain 33% of this decline. Instead, injecting initiation linearly decreased (4.1% to 0.7% per visit), cessation exponentially increased (10.0% to 17.1%), and relapse linearly decreased (21.3% to 11.8%). Non-injecting cocaine use (mainly pre-cooked, comparable to crack) and heroin use strongly increased. Trends were not attributable to changes in the study sample.Harm reduction, including large scale needle exchange programmes, does not lead to an increase in injecting drug use. The injecting decline seems mainly attributable to ecological factors (for example, drug culture and market). Prevention of injecting is possible and peer-based interventions may be effective. The consequences of the recent upsurge in crack use requires further study." @default.
- W2134206255 created "2016-06-24" @default.
- W2134206255 creator A5048666386 @default.
- W2134206255 creator A5089846526 @default.
- W2134206255 date "2001-05-01" @default.
- W2134206255 modified "2023-09-27" @default.
- W2134206255 title "Large decline in injecting drug use in Amsterdam, 1986-1998: explanatory mechanisms and determinants of injecting transitions" @default.
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- W2134206255 doi "https://doi.org/10.1136/jech.55.5.356" @default.
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