Evidence map›Paper›PMID 42251609›Full record

SynthesisSports medicine - open2026

Doping Prevalence in Sport from Indirect Estimation Models: A Systematic Review and Meta-analysis.

Dominic Sagoe, Maarten Cruyff, Razieh Chegeni, Annalena Veltmaat, Anna Kiss, Sándor Soós, Olivier de Hon, Peter van der Heijden, Andrea Petróczi

Abstract readSystematic Review
In one paragraph

Synthesis in Sports medicine - open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Review
  2. 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

9 authors.

Dominic Sagoe *Department of Psychosocial Science, University of Bergen, Christiesgate 12, 5015, Bergen, Norway. dominic.sagoe@uib.no.ORCID http://orcid.org/0000-0002-1902-9378
Maarten CruyffFaculty of Social Sciences, Utrecht University, Utrecht, Netherlands.ORCID http://orcid.org/0000-0002-6808-8518
Razieh ChegeniHuman Enhancement and Body Image Lab (HEBI Lab), Addiction Research Group, University of Bergen, Bergen, Norway.ORCID http://orcid.org/0000-0003-2337-5983
Annalena VeltmaatDepartment of Sport and Sports Science, TU Dortmund University, Dortmund, Germany.ORCID http://orcid.org/0009-0006-9795-1110
Anna KissDepartment of Science Policy and Scientometrics, Hungarian Academy of Sciences (MTA), Budapest, Hungary.ORCID http://orcid.org/0000-0002-0260-8103
Sándor SoósDepartment of Science Policy and Scientometrics, Hungarian Academy of Sciences (MTA), Budapest, Hungary.ORCID http://orcid.org/0000-0001-7382-9926
Olivier de HonDoping Authority Netherlands, Capelle aan den IJssel, Netherlands.ORCID http://orcid.org/0000-0003-4851-8901
Peter van der HeijdenFaculty of Social Sciences, Utrecht University, Utrecht, Netherlands.ORCID http://orcid.org/0000-0002-3345-096X
Andrea Petróczi *Faculty of Health and Sport Sciences, Széchenyi István University, Győr, Hungary.ORCID http://orcid.org/0000-0002-8365-6173

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTo our knowledge, no previous systematic review and meta-analysis of doping prevalence in sport from indirect estimation models (IEM) exists.

objectiveTo conduct a systematic review and meta-analysis of empirical IEM-based studies of admitted doping prevalence in sport.

methodsWe conducted electronic database and ad hoc searches up to March 2025, and estimated lifetime and past year prevalence rates through a cross-classified model including prevalence (lifetime vs. past year), sample (competitive vs. recreational) and sports (multi-sport vs. single-sport) types.

resultsForty-six records (K) were included in the review (k [subset records included in the meta-analysis] = 30, n [independent studies from the records] = 34). The World Anti-Doping Agency's definition of doping use was applied for data collection in most studies (k = 18), and doping prevalence was mostly assessed as past year/season (k = 20). Studies included in the meta-analysis were mostly conducted in Europe (k = 22) and applied the Unrelated Question (k = 8) and Forced Response with Cheater Detection (k = 6) models. Study participants were mostly multi-sport (k = 20) and competed at diverse levels, and most data (k = 28) was collected outside sport events. The corpus included articles that re-analysed existing data (k = 4). Lifetime prevalence was highest for multi-sport competitive athletes (22.6%) and lowest for single-sport competitive athletes (12.7%), whereas past year prevalence was highest for single-sport recreational sportspersons (15.5%) and lowest for multi-sport recreational sportspersons (8.7%).

conclusionsUnder IEM, about one of five multi-sport competitive athletes admitted to ever doping whereas about one of six of single-sport recreational sportspersons admitted to doping in the past year. Furthermore, multi-sport (vs. single-sport) competitive athletes show relatively higher doping prevalences, whereas single-sport (vs. multi-sport) recreational sportspersons report relatively higher doping prevalences. Secondary (re-)analysis presents a novel methodological challenge for meta-analyses. Registration PROSPERO: CRD42022373691.

Indexed as

DopingIndirect estimation modelsPrevalenceRandomised response techniquesSport

Identifiers

PMID42251609
PMCPMC13243161

What OpenQuestion holds

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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.