Extremely low-frequency magnetic fields (ELF-MF) and radiofrequency: Risk of childhood CNS tumors in a city with elevated ELF-MF exposure.
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Correa-Correa Víctor, Núñez-Enríquez Juan Carlos, Mezei Gabor, Rivera-Luna Roberto, Peñaloza-González José Gabriel, Rivas-Carrillo Salvador Daniel, Ortiz-Mejía Cuauhtémoc Gil, Flores-Robles Claudia, Velasco-Ramírez Erick, Alexis Del Real-Gallegos Mario, Flores-Lujano Janet, Flores-Pérez Fernanda Valeria, Sánchez-Rodríguez Gerardo, Ramírez-Reyes Alma Griselda, López-Aguilar Enrique, Duarte-Rodríguez David Aldebarán, Anaya-López Susana, Pérez-Saldívar Maria Luisa, Chico-Ponce-de-León Fernando, Jimenez-Morales Silvia, González-Carranza Vicente, Mata-Rocha Minerva, Marhx-Bracho Alfonso, Rosas-Vargas Haydeé, Godoy-Esquivel Arturo Hermilo, García-Cortés Jesús, Delgadillo-Bono Oscar, Jaimes Gregorio, Ramírez-Marroquín Joselyn, Flores-Galicia Patricia, Contreras-Frias Claudia, Campos-Rodríguez Ures Eduardo, Hernández-Chávez Eli, Meléndez-Zajgla Jorge, Medina-Sanson Aurora, Mejía-Aranguré Juan Manuel
Аннотация
METHODS: A case-control study was conducted in Mexico City (2017-2022), to assess ELF-MF and RF exposure in 200 CNST patients and 793 controls under 16 years old. Residential ELF-MF exposure was measured over 24 h, and RF exposure was assessed through the total duration of cell phone calls and electronic device usage (with and without internet). ELF-MF exposure levels below 0.1 μT and the lowest RF exposure quartile (Q1) served as reference groups for adjusted odds ratio (aOR) analyses. Data analysis was performed using R and SPSS software.
RESULTS: Of all participants, 5.1 % had ELF-MF exposure ≥0.3 μT. Elevated ELF-MF exposure (≥0.4 μT) was significantly associated with an increased risk of CNST (aOR (95 % confidence interval) = 2.39 (1.15-5.00). While cell phone use showed no differences between cases and controls, prolonged tablet use (with and without internet) was significantly associated with increased CNST risk (aOR = 2.53 (1.39-4.61), and 3.53 (1.45-8.59), respectively).
CONCLUSION: A high proportion of children in Mexico City are exposed to ELF-MF levels ≥0.3 μT, exceeding levels reported in other populations. Elevated residential ELF-MF exposure, as well as prolonged tablet use, both with and without internet connectivity, were significantly associated with an increased risk of developing CNST in childhood.