Evidence map›Paper›PMID 28585120›Full record

ArticleEuropean journal of epidemiology2017

Occupational formaldehyde and amyotrophic lateral sclerosis.

Ryan M Seals, Marianthi-Anna Kioumourtzoglou, Ole Gredal, Johnni Hansen, Marc G Weisskopf

Open access · greenAbstract read
In one paragraph

Article in European journal of epidemiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
2.1field-weighted citation impact, top 13% 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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Gut Symptoms, Gut Dysbiosis and Gut-Derived Toxins in ALS.International journal of molecular sciences · 2024
    Review
  6. Review
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. THE AUTHORS REPLY.American journal of epidemiology · 2019
    Article
  14. Review
  15. 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

5 authors at 2 institutions in 2 countries.

Ryan M SealsDepartment of Epidemiology, Harvard School of Public Health, 677 Huntington Ave, Boston, MA, 02115, USA. rms730@mail.harvard.edu.ORCID 0000-0003-0622-9001
Marianthi-Anna KioumourtzoglouDepartment of Environmental Health, Harvard School of Public Health, Boston, MA, USA.
Ole GredalThe Rehabilitation Centre for Neuromuscular Diseases, Copenhagen, Denmark.
Johnni HansenCenter for Cancer Research, The Danish Cancer Society, Copenhagen, Denmark.
Marc G WeisskopfDepartment of Epidemiology, Harvard School of Public Health, 677 Huntington Ave, Boston, MA, 02115, USA.
Harvard University · USDanish Cancer Society · DK

Funding

Translational Research Support CoreP30ES000002 · NIEHS · HARVARD UNIVERSITY (SCH OF PUBLIC HLTH) · PI SUSAN A KORRICK · 1985 to 2026
$44.6M
Training Program in Environmental EpidemiologyT32ES007069 · NIEHS · HARVARD UNIVERSITY (SCH OF PUBLIC HLTH) · PI LADEN, FRANCINE · 1985 to 2024
$13.9M
Training in Neurostatistics and NeuroepidemiologyT32NS048005 · NINDS · HARVARD UNIVERSITY (SCH OF PUBLIC HLTH) · PI ONNELA, JUKKA-PEKKA · 2004 to 2018
$3.2M
Population-Based Study of Environmental Risk Factors for ALSR01ES019188 · NIEHS · HARVARD SCHOOL OF PUBLIC HEALTH · PI WEISSKOPF, MARC G · 2010 to 2014
$2.0M
NIEHS NIH HHS 5R01ES019188NIEHS NIH HHS P30 ES000002NIEHS NIH HHS R01 ES019188NIEHS NIH HHS T32 ES007069NIH HHS T32 ES 07069NIH HHS T32NS048005NINDS NIH HHS T32 NS048005
6 · The paper itself

Abstract

Prior studies have yielded inconsistent evidence regarding the association between formaldehyde exposure and amyotrophic lateral sclerosis (ALS). We conducted a population case-control study in the Danish National Registries on the relationship between occupationally-derived formaldehyde exposure and ALS. Occupational history was obtained from a comprehensive and prospectively recorded pension database of all paid work in Denmark since 1964, and was linked to a job-exposure matrix to derive individual exposure estimates. Each case was matched to 4 age- and sex-matched population controls alive on the date of the case diagnosis via risk set sampling, and odds ratios and confidence intervals (CI) were calculated via conditional logistic regression, adjusting for potential confounders. There were 3650 incident cases of ALS in the Danish National Patient Register from 1982 to 2009. Among controls, 25% were ever employed in jobs with a positive prevalence of formaldehyde exposure. Exposure to formaldehyde was associated with a 1.3-fold increased rate of ALS (95% CI 1.2-1.4). This study suggests that formaldehyde exposure, or employment in formaldehyde-exposed occupations, is related to the risk of ALS.

Indexed as

AdultAgedAmyotrophic Lateral SclerosisCase-Control StudiesDenmarkEmploymentFemaleFormaldehydeHumansIncidenceLogistic ModelsMaleMiddle AgedOccupational ExposurePopulation SurveillanceRegistriesFormaldehydeALSNeuroepidemiologyOccupational epidemiology

Identifiers

PMID28585120
PMCPMC5681368
OpenAlexW2622679763

What OpenQuestion holds

Textmetadata
LicenceTDM
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.