[Operational aspects of risk perception in the electromagnetic fields exposition].

{
  "study_type": "cross_sectional",
  "exposure": {
    "band": "ELF",
    "source": "power line",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "People living near power-lines in the Benevento area (Italy)",
  "sample_size": 45,
  "outcomes": [
    "Risk perception",
    "Self-reported symptomatology (subjective and behavioural symptoms)",
    "Measured magnetic field level",
    "Measured electric field level"
  ],
  "main_findings": "In 45 people living near power-lines, measured magnetic and electric fields were reported to be in the normal range, while participants reported symptoms mainly in the subjective and behavioural sphere. The authors suggest risk assessment should consider subjectivity as captured by questionnaires to help reduce subjective/behavioural symptomatology.",
  "effect_direction": "mixed",
  "limitations": [
    "Small sample size (n=45)",
    "Symptoms described as subjective/behavioural; objective health outcomes not reported in the abstract",
    "Study design and presence/absence of a comparison group not described",
    "Exposure measurement details (methods, duration, metrics) not provided"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "risk perception",
    "electromagnetic fields",
    "power lines",
    "ELF",
    "symptoms",
    "questionnaires",
    "environmental medicine"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.2,
      "reason": "Published in an occupational medicine/ergonomics journal, but the described population is residential near power lines rather than workplace exposure."
    }
  ]
}