Evidence map›Paper›PMID 39948666›Full record

ReviewHarm reduction journal2025

Limit-setting in online gambling: a comparative policy review of European approaches.

Virve Marionneau, Elli Luoma, Tobias Turowski, Tobias Hayer

Abstract readComparative StudyReview
In one paragraph

Review in Harm reduction journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing 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

7 citing papers in PubMed.

  1. Trial
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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

4 authors.

Virve MarionneauFaculty of Social Sciences, Centre for Research on Addiction, Control, and Governance, University of Helsinki, Helsinki, Finland. virve.marionneau@helsinki.fi.
Elli LuomaFaculty of Social Sciences, Centre for Research on Addiction, Control, and Governance, University of Helsinki, Helsinki, Finland.
Tobias TurowskiDepartment for Health and Society, Institute of Public Health and Nursing Research, University of Bremen, Bremen, Germany.
Tobias HayerDepartment for Health and Society, Institute of Public Health and Nursing Research, University of Bremen, Bremen, Germany.

Funding

Research Council of Finland 349589
6 · The paper itself

Abstract

backgroundOnline gambling products involve a heightened risk of harm, but there are some possibilities to prevent and reduce these harms. Notably, mandatory identification in online gambling environments allows for a range of pre-commitment tools such as limit-setting. Previous research has found that limit-setting tools can be helpful, but effectiveness depends on how policies are outlined and implemented. Limits can be financial or temporal, voluntary or mandatory, and system-level or operator-based. The current paper presents a policy review of European approaches to limit-setting in online environments.

methodsWe first compared legal provisions on pre-commitment and limit-setting in N = 30 European countries (27 European Union Member States, Great Britain, Norway, and Switzerland). Data were retrieved from Vixio Gambling Compliance country reports and verified against original legal texts. The analysis focused on financial, temporal, maximum wager limits, and any other limits pertaining to online gambling. Second, based on the policy review, we produced a more in-depth analysis of limit-setting provisions in countries with system-level pre-commitment (Finland, Norway, Germany).

resultsResults show important divergence in terms of limit-setting across Europe. While almost all countries (n = 27) have some form of limit-setting, implementation details vary. Financial limits can include loss limits (n = 15 countries), deposit limits (n = 18), and wagering limits (n = 14), with the majority of countries providing several types of financial limits. Temporal limits were available in ten countries. Eleven countries had some mandatory limits, in other countries operators were expected to provide the option to set limits. Statutory maximum limits and lower limits for young adults were not common, but available in some countries. Germany was the only country with a system-level limit-setting scheme that covered multiple licensed operators.

conclusionsContextual variations in pre-commitment and limit-setting policies are likely to impact effectiveness in terms of preventing and reducing harm. Our review shows some promising practices, including system-level regimes, mandatory policies, reasonable maximum caps on limits and wagers, the possibility to set limits for various time periods, lower limits for young adults, and coupling limit-setting with other duty-of-care obligations. Learning from other jurisdictions can constitute good practice for future policies on pre-commitment.

Indexed as

GamblingInternetPublic PolicyEuropeHumansEuropeGamblingLimit-settingPolicyPre-commitment

Identifiers

PMID39948666
PMCPMC11823029

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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.