SynthesisOccupational and environmental medicine2019
Animal farming and the risk of lymphohaematopoietic cancers: a meta-analysis of three cohort studies within the AGRICOH consortium.
Synthesis in Occupational and environmental medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Cancer incidence in agricultural workers: Findings from an international consortium of agricultural cohort studies (AGRICOH).Environment international · 2021Pooled it
- Unequal harvests: AI-assisted evidence map of trends and gaps in global farmer health research along SDG 3 priorities.BMJ open · 2026Review
- Occupational, Lifestyle, and Medical Risk Factors for Non-Hodgkin Lymphoma: A Case-Control Study in Ethiopia.Cancers · 2025Article
- Animal farming and the oral microbiome in the Agricultural Health Study.Environmental research · 2025Article
- Second malignant neoplasms in lymphomas, secondary lymphomas and lymphomas in metabolic disorders/diseases.Cell & bioscience · 2022Review
- Linking Environmental Exposures to Molecular Pathogenesis in Non-Hodgkin Lymphoma Subtypes.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2020Review
Corrections and comments
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Authors and funding
17 authors at 9 institutions in 5 countries.
Funding
Abstract
objectiveAnimal farming entails a variety of potential exposures, including infectious agents, endotoxins and pesticides, which may play a role in the aetiology of lymphohaematopoietic cancers (LHCs). The aim of this study was to assess whether farming specific animal species is associated with the risk of overall LHC or its subtypes.
methodsData from three prospective cohort studies in the USA, France and Norway which are part of the Agricultural Cohort consortium and which collected information about animal farming and cancer were used. Analyses included 316 270 farmers and farm workers. Adjusted Cox models were used to investigate the associations of 13 histological subtypes of LHC (n=3282) with self-reported livestock (cattle, pigs and sheep/goats) and poultry (ever/never and numbers raised) farming. Cohort-specific HRs were combined using random-effects meta-analysis.
resultsEver animal farming in general or farming specific animal species was not meta-associated with overall LHC. The risk of myeloid malignancies decreased with increasing number of livestock (p trend=0.01). Increased risk of myeloproliferative neoplasms was seen with increasing number of sheep/goats (p trend <0.01), while a decreased risk was seen with increasing number of livestock (p trend=0.02). Between cohorts, we observed heterogeneity in the association of type of animal farmed and various LHC subtypes.
conclusionsThis large-scale study of three prospective agricultural cohorts showed no association between animal farming and LHC risk, but few associations between specific animal species and LHC subtypes were observed. The observed differences in associations by countries warrant further investigations.
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Registered trials
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