Acute leukaemia in workers exposed to electromagnetic fields.

{
  "study_type": "case_control",
  "exposure": {
    "band": null,
    "source": "occupational",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Workers (French occupational setting)",
  "sample_size": 698,
  "outcomes": [
    "Acute leukaemia",
    "Risk of acute leukaemia (odds ratio)"
  ],
  "main_findings": "In a French case-control study (185 cases, 513 controls), occupational exposure to EMF other than from arc welding was associated with a significantly increased risk of acute leukaemia (odds ratio 4.04, 95% CI 1.26–12.88), persisting after adjustment for possible confounding exposures.",
  "effect_direction": "harm",
  "limitations": [
    "EMF frequency/band and exposure metrics not described in the abstract",
    "Exposure category described broadly (\"EMF other than that from arc welding\") without further detail",
    "Case-control design (susceptible to exposure misclassification and recall/assessment bias; not detailed in abstract)"
  ],
  "evidence_strength": "low",
  "confidence": 0.78,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "acute leukaemia",
    "occupational exposure",
    "electromagnetic fields",
    "case-control",
    "odds ratio",
    "France",
    "arc welding"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.95,
      "reason": "Study evaluates occupational EMF exposure and acute leukaemia risk in workers."
    }
  ]
}