Cited by 57Schizophrenia research and treatmentPhysical Activity and HealthSports and Physical Education Studies

Does physical activity reduce the risk of psychosis? A systematic review and meta-analysis of prospective studies

Open access
Brokmeier, Luisa Leonie, Firth, Joseph, Vancampfort, Davy, Smith, Lee, Deenik, Jeroen, Rosenbaum, Simon, Stubbs, Brendon, Schuch, Felipe Barreto·2020·Psychiatry Research

Abstract

Longitudinal prospective cohorts have suggested that physical activity (PA) may be a protective factor against psychosis and schizophrenia. However, no meta-analysis has been conducted. The study aims to examine the prospective relationship between PA and incident psychosis/schizophrenia. Major databases were searched from inception to July 2019 for prospective studies that calculated the odds ratio (OR) or the adjusted odds ratio (AOR) of incident psychosis/schizophrenia in people with higher PA against people with lower PA. Methodological quality was assessed using the Newcastle-Ottawa Scale (NOS). A random-effects meta-analysis was conducted, for OR and AOR, separately. Across 4 cohorts (N = 30,025 median males = 50%, median follow-up = 32 years), people with high self-reported PA (versus low PA) were at reduced odds of developing psychosis/schizophrenia (OR = 0.73, 95%CI 0.532 to 0.995, p = 0.047). Analysis including 2 cohorts presenting AOR were not statistically significant (AOR = 0.59, 95%CI 0.253 to 1.383, p = 0.226). Overall study quality was high (mean NOS = 7.0). The literature on the topic is scarce, whilst crude analysis suggests that PA may be a protective factor against the emergence of psychosis/schizophrenia, but when adjusting for covariates, the association is no longer significant. Further studies with objective physical activity and adjustment for confounders are needed.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1016/j.psychres.2019.112675

Cites

42 of 42 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Across five prospective comparisons, with 4-32 years of follow-up, higher levels of physical activity significantly reduced risk of incident psychosis (OR=0.728, 95% CI: 0.532-0.995, I2=36.9%).

    “Across five prospective comparisons, with 4-32 years of follow-up, higher levels of physical activity significantly reduced risk of incident psychosis (OR=0.728, 95% CI: 0.532-0.995, I²=36.9%).”

    From A meta-review of "lifestyle psychiatry": the role of exercise, smoking, diet and sleep in the prevention and treatment of mental disorders (2020) · cites this paper as [38]

    The Meta-analysis section reports five crude-odds comparisons from four studies, a significant association (OR≈0.73, 95% CI 0.532–0.995), and I²=36.93%; Studies details gives 4–32 years of follow-up. But the adjusted analysis was not significant, so the unqualified statement that activity significantly reduced risk overstates the finding and implies causation the paper does not establish. Page numbers are unavailable in our copy. (LLM, conf=0.88)

    Experimental — accuracy not yet measured

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

1 of the 43 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. Stroup, D.F., Berlin, J.A., Morton, S.C., Olkin, I., Williamson, G.D., Rennie, D., Moher, D., Becker, B.J., Sipe, T.A., Thacker, S.B., 2000. Meta-analysis of observational studies in epidemiology: a proposal for reporting. Meta-analysis Of Observational Studies in Epidemiology (MOOSE) group. Jama 283 (15), 2008-2012.

Cited by

Sorted by citations

Authors
Brokmeier, L. L., Firth, J., Vancampfort, D., Smith, L., Deenik, J., Rosenbaum, S., Stubbs, B., & Schuch, F. B.
Affiliations
  • University of Konstanz (DE)
  • The University of Melbourne (AU)
  • KU Leuven (BE)
  • Anglia Ruskin University (GB)
  • Maastricht University (NL)
  • Black Dog Institute (AU)
  • King's College London (GB)
  • Universidade Federal de Santa Maria (BR)
Corresponding author
Schuch, Felipe Barreto
Venue
Psychiatry Research
Publisher
Elsevier BV
Published
2020-02
Volume
284
Pages
112675
ISSN
0165-1781 (ISSN-L)
OpenAlex
W2984146898
Cited by
56
References
43
Citations by year
2026: 7 · 2025: 9 · 2024: 14 · 2023: 8 · 2022: 1 · 2021: 9 · 2020: 8
FWCI
0.76
Type
journal article
Language
en
Open access
Locations
  • Psychiatry Research (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion, cc-by-nc-nd)
  • Lirias (KU Leuven) (submittedVersion, other-oa)
  • Anglia Ruskin Research Online (Anglia Ruskin University) (submittedVersion)
  • Research Publications (Maastricht University) (submittedVersion, other-oa)
  • Figshare (submittedVersion, cc-by-nc-nd)
  • Research Portal (King's College London) (submittedVersion)
  • Research Publications (Maastricht University) (submittedVersion)
Funders
National Institute for Health and Care Research (ICA-CL-2017-03-001, NIHR-INF-0685)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Social Sciences › Life-span and Life-course Studies › Sports and Physical Education Studies
Keywords
physical activity, psychosis, schizophrenia, protective factors, prospective cohort, self-reported physical activity, confounding adjustment
MeSH terms
Adult, Female, Humans, Male, Middle Aged, Prospective Studies, Psychotic Disorders, Risk Factors, Schizophrenia, Exercise, Incidence, Odds Ratio, Risk Reduction Behavior, Self Report

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review