Trial reportHarm reduction journal2026
Strategies to increase attendance in substance use disorder group treatment: results from a randomized controlled trial.
Trial report in Harm reduction journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05934591 (Improving Attendance in Community Wise), which is not on this map. Not yet cited in PubMed.
What it found
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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.
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.
Improving Attendance in Community Wise
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAttendance in substance-use-disorder group-treatment is challenging with only 32% of patients attending at least one session [16]. The present study tested a set of strategies to increase group session attendance in Community Wise, an innovative evidence-based group-intervention delivered in harm-reduction-community-based agencies and, Community Wise was designed to reduce alcohol and substance use among people with: a history of substance-use-disorders living in predominantly Black and disinvested communities. We examined: (1) if strategies to increase attendance stratified by surveillance status (participation in mandatory programs that use urine screens regularly) would result in a clinically and statistically significant increase in intervention session attendance, with a goal of at least 50% of participants attending at least half of sessions; and (2) the effects of group session attendance and strategies to increase attendance on alcohol and substance use frequency in the past 30 days at three-months-follow-up.
methodsWe conducted a 2
resultsOf 164 participants, 29% attended ≥ 50% of Community Wise sessions. Paying participants increased odds of attending at least 50% of sessions (OR = 1.97, p = 0.004), while being under surveillance reduced odds by 39% (OR = 0.61, p = 0.036). No main effects were found for group type. Yet, a significant interaction showed financial incentives were more effective in closed versus open groups (OR = 0.58, p = 0.021). Higher attendance predicted reduced percent alcohol and substance use at follow-up (p = 0.011).
conclusionsFinancial incentives effectively improved intervention attendance, while being under surveillance reduced participation. Higher attendance was associated with decreased alcohol and substance use. The Community Wise intervention should be further tested for effectiveness in harm reduction community-based-organizations among people who are disengaged from treatment and experiencing vulnerabilities such as poverty and houselessness.
trial registrationClinical Trials: NCT05934591.
Indexed as
Identifiers
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Registered trials
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