Evidence map›Paper›PMID 31848233›Full record

ArticleOccupational and environmental medicine2020

Occupational exposure to dust and to fumes, work as a welder and invasive pneumococcal disease risk.

Kjell Torén, Paul D Blanc, Rajen N Naidoo, Nicola Murgia, Ingemar Qvarfordt, Olov Aspevall, Anna Dahlman-Hoglund, Linus Schioler

Open access · hybridAbstract read
In one paragraph

Article in Occupational and environmental medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 1 pooled it
3.7field-weighted citation impact, top 6% of its field
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

29 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Occupational exposures and risk of pulmonary alveolar proteinosis (PAP).Scandinavian journal of work, environment & health · 2026
    Article
  4. Article
  5. Article
  6. Article
  7. ThirdEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2025
    Article
  8. Air Pollution and Global Pediatric Pneumococcal Disease.Open forum infectious diseases · 2025
    Review
  9. Article
  10. Article
  11. Silicosis initially presenting with empyema.Occupational medicine (Oxford, England) · 2024
    Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. 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 at 6 institutions in 4 countries.

Kjell TorénOccupational and Environmental medicine, School of Public Health and Community Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden kjell.toren@amm.gu.se.ORCID 0000-0001-8509-7603
Paul D BlancDivision of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, California, United States.ORCID 0000-0001-9043-175X
Rajen N NaidooDepartment of Occupational and Environmental Health, University of KwaZuluNatal, Durban, South Africa.ORCID 0000-0002-2318-4004
Nicola MurgiaSection of Occupational Medicine, Respiratory Diseases and Toxicology University of Perugia, Perugia, Italy.
Ingemar QvarfordtDepartment of Infection Prevention and Control, Sahlgrenska University Hospital, Gothenburg, Sweden.
Olov AspevallUnit for Surveillance and Coordination, Public Health Agency, Solna, Stockholm, Sweden.
Anna Dahlman-HoglundDepartment of Occupational and environmental medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.
Linus SchiolerOccupational and Environmental medicine, School of Public Health and Community Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.ORCID 0000-0002-8395-9625
Sahlgrenska University Hospital · SEUniversity of Gothenburg · SEPublic Health Agency of Sweden · SEUniversity of California, San Francisco · USUniversity of KwaZulu-Natal · ZAUniversity of Perugia · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesOccupational exposures to metal fumes have been associated with increased pneumonia risk, but the risk of invasive pneumococcal disease (IPD) has not been characterised previously.

methodsWe studied 4438 cases aged 20-65 from a Swedish registry of invasive infection caused by

resultsWelders manifested increased risk of IPD (OR 2.99, 95% CI 2.09 to 4.30). Occupational exposures to fumes and silica dust were associated with elevated odds of IPD (OR 1.11, 95% CI 1.01 to 1.21 and OR 1.33, 95% CI 1.11 to 1.58, respectively). Risk associated with IPD with pneumonia followed a similar pattern with the highest occupational odds observed among welders and among silica dust exposed.

conclusionWork specifically as a welder, but also occupational exposures more broadly, increase the odds for IPD. Welders, and potentially others with relevant exposures, should be offered pneumococcal vaccination.

Indexed as

DustGasesSilicon DioxideWeldingAdultAgedCase-Control StudiesFemaleHumansLungMaleMiddle AgedOccupational DiseasesOccupational ExposureOdds RatioPneumococcal InfectionsDustGasesSilicon Dioxideepidemiologyinorganic dustsrespiratory

Identifiers

PMID31848233
PMCPMC7029234
OpenAlexW2996472760

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.