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Occupational exposure to electromagnetic fields and sex-differential risk of uveal melanoma.

Occupational and environmental medicine · 2010 · Harm · Moderate evidence

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HarmModerate evidencePaper 4358

Women exposed to electrical transmission installations had elevated risk of uveal melanoma (OR 5.81). Positive associations with exposure to control rooms were seen in both sexes, mainly in subjects with dark iris colour. Risk increases were stronger among wo…

Study snapshot

PublicationOccupational and environmental medicine · 2010
Study typecase_control
Reported directionHarm
Evidence ratingModerate

Abstract

OBJECTIVES: The association between occupational exposure to electromagnetic fields (EMF) and the risk of uveal melanoma was investigated in a case-control study in nine European countries. METHODS: Incident cases of uveal melanoma and population as well as hospital controls were included and frequency matched by country, 5-year birth cohort and sex. Subjects were asked whether they had worked close to high-voltage electrical transmission installations, computer screens and various electrical machines, or in complex electrical environments. Measurements of two Scandinavian job-exposure matrices were applied to estimate lifelong cumulative EMF exposure. Unconditional logistic regression analyses, stratified by sex and eye colour were calculated, adjusting for several potential confounders. RESULTS: 293 patients with uveal melanoma and 3198 control subjects were interviewed. Women exposed to electrical transmission installations showed elevated risks (OR 5.81, 95% CI 1.72 to 19.66). Positive associations with exposure to control rooms were seen among men and women, but most risk increases were restricted to subjects with dark iris colour. Application of published EMF measurements revealed stronger risk increases among women compared to men. Again, elevated risks were restricted to subjects with dark eye colour. CONCLUSION: Although based on a low prevalence of exposure to potential occupational sources of EMF, our data indicate that exposed dark-eyed women may be at particular risk for uveal melanoma.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typecase_control
Effect directionharm
Population293 patients with uveal melanoma and 3198 control subjects from nine European countries
Sample size3491
Exposurelifelong cumulative exposure estimated
Evidence strengthModerateConfidence: 70% · Peer reviewed: yes

Main findings

Women exposed to electrical transmission installations had elevated risk of uveal melanoma (OR 5.81). Positive associations with exposure to control rooms were seen in both sexes, mainly in subjects with dark iris colour. Risk increases were stronger among women and restricted to dark-eyed subjects.

Outcomes measured

  • uveal melanoma

Limitations

  • Low prevalence of exposure to occupational EMF sources
  • Potential residual confounding
  • Exposure assessment based on job-exposure matrices and self-report
View raw extracted JSON
{
  "study_type": "case_control",
  "exposure": {
    "band": null,
    "source": "occupational electromagnetic fields",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "lifelong cumulative exposure estimated"
  },
  "population": "293 patients with uveal melanoma and 3198 control subjects from nine European countries",
  "sample_size": 3491,
  "outcomes": [
    "uveal melanoma"
  ],
  "main_findings": "Women exposed to electrical transmission installations had elevated risk of uveal melanoma (OR 5.81). Positive associations with exposure to control rooms were seen in both sexes, mainly in subjects with dark iris colour. Risk increases were stronger among women and restricted to dark-eyed subjects.",
  "effect_direction": "harm",
  "limitations": [
    "Low prevalence of exposure to occupational EMF sources",
    "Potential residual confounding",
    "Exposure assessment based on job-exposure matrices and self-report"
  ],
  "evidence_strength": "moderate",
  "confidence": 0.7,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "occupational exposure",
    "electromagnetic fields",
    "uveal melanoma",
    "sex differences",
    "iris colour",
    "case-control study"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.9,
      "reason": "Study focuses on occupational EMF exposure and cancer risk."
    }
  ]
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1136/oem.2009.052225
PubMed: 20798011

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