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The Relationship between Initial Route of Heroin Administration and Speed of Transition to Daily Heroin Use

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)633-638
Number of pages6
JournalDrug and Alcohol Review
Volume36
Issue number5
Early online date3 May 2017
DOIs
DateAccepted/In press - 17 Mar 2017
DateE-pub ahead of print - 3 May 2017
DatePublished (current) - Sep 2017

Abstract

INTRODUCTION AND AIMS:
The effect of heroin administration route on speed of transition to regular use is unknown. This paper aims to determine whether the speed of transition from initiation of heroin use to daily heroin use differs by route of administration (injecting, chasing/inhaling or snorting).
DESIGN AND METHODS:
Privileged access interviewer survey of purposively selected sample of 395 current people who use heroin (both in and not in treatment) in London, UK (historical sample from 1991). Data on age and year of initiation, time from initiation to daily use and routes of administration were collected by means of a structured questionnaire. Generalised ordered logistic models were used to test the relationship between route of initial administration of heroin and speed of transition to daily heroin use. Analyses were adjusted for gender, ethnicity, daily use of other drug(s) at time of initiation, year of initiation and treatment status at interview.
RESULTS:
After adjustment, participants whose initial administration route was injecting had a 4.71 (95% confidence interval 1.34-16.5) increase in likelihood of progressing to daily use within 1-3 weeks of initiation, compared to those whose initial administration route was non-injecting.
DISCUSSION AND CONCLUSIONS:
The speed of transition from first use to daily heroin use is faster if the individual injects heroin at initiation of use. Those who initiate heroin use through injecting have a shorter time frame for intervention before drug use escalation.

    Research areas

  • drug addiction, drug administration routes, heroin, heroin abuse, injecting drug use

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    Rights statement: This is the accepted author manuscript (AAM). The final published version (version of record) is available online via Wiley at https://doi.org/10.1111/dar.12560 . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 315 KB, PDF document

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