Evidence map›Paper›PMID 42357985›Full record

ArticleDrug and alcohol review2026

Crossed Pathways: Tobacco-Cannabis Co-Use and Motivation to Quit in Young Adults in France.

Tangui Barré, Géraldine Cazorla, Vincent Leroy, Gwenaëlle Maradan, Clotilde Couderc, Julia de Ternay, Carlotta Magnani, Patrizia Carrieri

Abstract read
In one paragraph

Article in Drug and alcohol review, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–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

1 citing paper in PubMed.

  1. Article
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

8 authors.

Tangui BarréAix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France.ORCID 0000-0002-3439-8868
Géraldine CazorlaAix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France.ORCID 0009-0008-8904-4195
Vincent LeroyAix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France.
Gwenaëlle MaradanORS PACA, Southeastern Health Regional Observatory, Marseille, France.
Clotilde CoudercAssociation Addictions France, Paris, France.
Julia de TernayService Universitaire d'Addictologie de Lyon, Hôpital Édouard Herriot, Hospices Civils de Lyon, Lyon, France.ORCID 0000-0003-4239-2113
Carlotta MagnaniAix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France.ORCID 0009-0005-6880-400X
Patrizia CarrieriAix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, ISSPAM, Marseille, France.

Funding

INCa (French National Cancer Institute)Institut pour la Recherche en Santé Publique 23IReSP093
6 · The paper itself

Abstract

introductionAmong young adults, intertwined tobacco and cannabis use is a major concern, being linked to poorer cessation outcomes than exclusive use. However, little is known about the shared and simultaneous determinants of motivation to quit both substances, and how the use of one influences readiness to quit the other. We aimed to examine these relationships, focusing particularly on the role of low socioeconomic status.

methodsIn a cross-sectional survey of French young adults (18-30 years) who co-use tobacco and cannabis, we modelled pathways to readiness to quit both substances using generalised structural equation modelling (GSEM). Factors associated with four or more lifetime quit attempts for tobacco and cannabis were also assessed using separate binary logistic regressions.

resultsAmong 357 participants (54.9% male), GSEM analysis revealed that low socioeconomic status was positively associated with frequency of use (β = 0.12, 95% confidence interval [0.04; 0.19] for tobacco; 0.09 [0.02; 0.17] for cannabis) and directly linked to greater readiness to quit both substances (β = 0.14 [0.04; 0.24] for tobacco; 0.13 [0.03; 0.23] for cannabis). Further regression analyses suggested that financial strain was the primary driver of these two latter associations with readiness to quit. For both substances, ≥ 4 lifetime quit attempts were associated with material deprivation (adjusted odds ratio 1.39 [1.22; 1.58] for tobacco; 1.24 [1.10; 1.40] for cannabis). DISCUSSION AND

conclusionsIn young adults who co-use tobacco and cannabis, financial strain emerged as a common determinant of motivation to quit, supporting the potential utility of monetary incentives in dual cessation. Further research, including qualitative studies, is needed to clarify cross-substance effects.

Indexed as

Marijuana SmokingMotivationSmoking CessationAdolescentAdultCross-Sectional StudiesFemaleFranceHumansLow Socioeconomic StatusMaleYoung Adultcannabisco‐usereadiness to quitstructural equation modeltobacco

Identifiers

PMID42357985
PMCPMC13305342

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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.