Evidence map›Paper›PMID 19133890›Full record

ArticleAddiction (Abingdon, England)2009

Incarceration and drug use patterns among a cohort of injection drug users.

Kora DeBeck, Thomas Kerr, Kathy Li, M-J Milloy, Julio Montaner, Evan Wood

Abstract read
In one paragraph

Article in Addiction (Abingdon, England), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

40 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Kora DeBeckBritish Columbia Centre for Excellence in HIV/AIDS, Vancouver, BC, Canada.
Thomas Kerr
Kathy Li
M-J Milloy
Julio Montaner
Evan Wood

Funding

SYRINGE ACCESS AND RISK FACTORS ON HIV TRANSMISSIONR01DA011591 · NIDA · UNIVERSITY OF BRITISH COLUMBIA · PI KERR, THOMAS · 1998 to 2014
$5.9M
NIDA NIH HHS R01 DA011591NIDA NIH HHS R01 DA011591-04A1
6 · The paper itself

Abstract

aimsDrug law enforcement remains the dominant response to drug-related harm. However, the impact of incarceration on deterring drug use remains under-evaluated. We sought to explore the relationship between incarceration and patterns of drug use among people who inject drugs (IDU).

designUsing generalized estimating equations (GEE), we examined the prevalence and correlates of injection cessation among participants in the Vancouver Injection Drug User Study followed over 9 years. In subanalyses, we used McNemar's tests and linear growth curve analyses to assess changes in drug use patterns before and after a period of incarceration among participants reporting incarceration and those not incarcerated.

findingsAmong 1603 IDU, 842 (53%) reported injection cessation for at least 6 months at some point during follow-up. In multivariate GEE analyses, recent incarceration was associated negatively with injection cessation [adjusted odds ratio (AOR) = 0.43, 95% confidence interval (CI) 0.37-0.50], whereas the use of methadone was associated positively with cessation (AOR = 1.38, 95% CI 1.22-1.56). In subanalyses assessing longitudinal patterns of drug use among incarcerated individuals and those not incarcerated over the study period, linear growth curve analyses indicated that there were no statistically significant differences in patterns of drug use between the two groups (all P > 0.05).

conclusionsThese observational data suggest that incarceration does not reduce drug use among IDU. Incarceration may inhibit access to mechanisms that promote injection cessation among IDU. In contrast, results indicate that methadone use is associated positively with injection cessation, independent of previous frequency of drug use.

Indexed as

AdultEpidemiologic MethodsFemaleHIV InfectionsHumansInstitutionalizationLaw EnforcementMaleMethadoneNarcoticsPolicy MakingPrevalencePrisonsSubstance Abuse, IntravenousSubstance-Related DisordersYoung AdultMethadoneNarcotics

Identifiers

PMID19133890
PMCPMC3731940

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.