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Participation dynamics of a cohort of drug users in a low-threshold methadone treatment programme

Overview of attention for article published in Harm Reduction Journal, October 2015
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Title
Participation dynamics of a cohort of drug users in a low-threshold methadone treatment programme
Published in
Harm Reduction Journal, October 2015
DOI 10.1186/s12954-015-0072-z
Pubmed ID
Authors

Tsz Ho Kwan, Ngai Sze Wong, Shui Shan Lee

Abstract

The low-threshold methadone maintenance treatment (MMT) programme in Hong Kong has been in place for about 40 years. Assessment of the participation pattern of methadone users may inform future programme development to achieve effective harm reduction. Longitudinal clinical data of methadone users who first registered for MMT in the year 2008 in Hong Kong were retrieved after ethical and institutional approval. Participation pattern of this cohort was evaluated by examining users' frequency of attendance and then the overall retention rate. A subgroup of consistent users who remained on treatment in 2012 and/or 2013 was analysed. Comparison was made between high- and low-frequency users, and among high/moderate and low consistency users, to test their correlations with socio-demographics and social connectivity. The cohort of methadone users registering in the year 2008 was composed of 351 persons, 77 % of whom were ethnic Chinese, with a median age of 34 and the duration of heroin dependency of 6 years. The participation pattern of methadone users was highly variable, with a 6-year retention rate of 38 %. Discontinuations or 'breaks' of >28 days had occurred in 212 (60 %) methadone users. About one third (n = 117) were high-frequency users who had attended more than twice a week for at least 90 % of their treatment periods. The dosages received by high-frequency users were generally higher. Of those continuing on treatment in the fifth and/or sixth year (n = 185), 30 (16 %), 29 (16 %) and 126 (68 %) gave a high, moderate and low level of consistency as defined by the lengths of breaks. High/moderate consistency users had a longer history of heroin use and a higher degree of connectivity with other users by social network analysis. Despite the variability of frequency and consistency of attendance of drug users enrolling in the low-threshold MMT programme in Hong Kong, a consistent pattern could be seen in the proportional distribution of dosage and participation efforts. Whereas an adequate dosage was a potential predictor of optimal frequency of attendance, demographics and connectivity had varied between continued users with different levels of consistency.

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Mendeley readers

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The data shown below were compiled from readership statistics for 44 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 44 100%

Demographic breakdown

Readers by professional status Count As %
Other 7 16%
Student > Master 6 14%
Researcher 6 14%
Student > Doctoral Student 5 11%
Student > Ph. D. Student 5 11%
Other 6 14%
Unknown 9 20%
Readers by discipline Count As %
Medicine and Dentistry 16 36%
Social Sciences 4 9%
Arts and Humanities 3 7%
Psychology 3 7%
Nursing and Health Professions 2 5%
Other 7 16%
Unknown 9 20%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 December 2015.
All research outputs
#18,432,465
of 22,835,198 outputs
Outputs from Harm Reduction Journal
#883
of 921 outputs
Outputs of similar age
#201,445
of 280,048 outputs
Outputs of similar age from Harm Reduction Journal
#27
of 27 outputs
Altmetric has tracked 22,835,198 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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We're also able to compare this research output to 27 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.