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Peer-reviewedCC BY 4.0Revista Peruana de Medicina Experimental y Salud Publica

Prevalence and factors associated with high arsenic exposure in the adult population of Chumbivilcas in Cusco, Peru 2024

  • Alex Jaramillo-Corrales1,2
  • Ruth Nelly Oscco-Abarca1
  • Eduarda Benito-Calderón3
  • Milton Cesar Pechuga-Melgar4
  • Guinetta Margarita Yabar-Herrera1
  • Maribel Caller-Soto1
  • Deisy Clarivel Paredes-Herrera1
  • Beatriz Huayhua-Sivincha3
  • Joan Miguel Ángel Castro-Benito5
  • José Santa Cruz-Quispe6
6 affiliations
  1. 1Dirección de Epidemiología e Investigación, Dirección Ejecutiva de Inteligencia Sanitaria, Gerencia Regional de Salud Cusco, Ministerio de Salud, Cusco, Peru. Dirección de Epidemiología e Investigación, Dirección Ejecutiva de Inteligencia Sanitaria Gerencia Regional de Salud Cusco Ministerio de Salud Cusco Peru
  2. 2Escuela Profesional de Medicina Humana, Facultad de Medicina Humana, Universidad Nacional de San Antonio Abad del Cusco, Cusco, Peru. Universidad Nacional San Antonio Abad del Cusco Escuela Profesional de Medicina Humana Facultad de Medicina Humana Universidad Nacional de San Antonio Abad del Cusco Cusco Peru
  3. 3Unidad de Epidemiología, Dirección de Inteligencia Sanitaria, Red de Servicios de Salud Chumbivilcas, Cusco, Peru. Unidad de Epidemiología Dirección de Inteligencia Sanitaria Red de Servicios de Salud Chumbivilcas Cusco Peru
  4. 4Dirección de Salud de las Personas, Dirección Ejecutiva de Atención Integral de Salud, Gerencia Regional de Salud Cusco, Ministerio de Salud, Cusco, Peru. Dirección de Salud de las Personas, Dirección Ejecutiva de Atención Integral de Salud Gerencia Regional de Salud Cusco Ministerio de Salud Cusco Peru
  5. 5Centro de Salud de Livitaca, Red de Servicios de Salud Chumbivilcas, Cusco, Peru. Centro de Salud de Livitaca Red de Servicios de Salud Chumbivilcas Cusco Peru
  6. 6Dirección de Laboratorio de Referencia Regional de Salud Pública, Gerencia Regional de Salud Cusco, Ministerio de Salud, Cusco, Peru. Dirección de Laboratorio de Referencia Regional de Salud Pública Gerencia Regional de Salud Cusco Ministerio de Salud Cusco Peru
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Abstract

Objectives.: To determine the prevalence and factors associated with high arsenic exposure in the adult population of the province of Chumbivilcas in Cusco, Peru 2024.

Materials and methods.: Analytical cross-sectional study in 370 adults selected through stratified cluster probability sampling by district. The urinary arsenic concentration was determined by inductively coupled plasma mass spectrometry (ICP-MS) and adjusted for creatinine; high exposure was defined as a concentration ≥20 µg As/g of creatinine. Sociodemographic and occupational characteristics, epidemiological history of exposure, and environmental factors were evaluated as potential associated factors. Adjusted prevalence ratios (aPR) with 95% confidence intervals (95% CI) were estimated using Poisson regression models with a log link.

Results.: The prevalence of high arsenic exposure was 68.2% (95% CI: 61.9-73.9). Exposure at work was associated with a higher prevalence of high arsenic (aPR 1.29; 95% CI: 1.07-1.56), as was the consumption of spring water (aPR 1.19; 95% CI: 1.01-1.40). Exposure at home (aPR 0.83; 95% CI: 0.69-0.99) and the respiratory route (aPR=0.82; 95% CI: 0.72-0.92) showed a lower prevalence of high arsenic.

Conclusions.: The adult population of Chumbivilcas presented a high prevalence of arsenic exposure. Exposure at work and the use of spring water were associated with a higher prevalence. Studies incorporating environmental measurements are required to guide surveillance and prevention actions.

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Cite

BibTeXRIS
BibTeX
@article{jaramillocorrales2026prevalence,
  title = {{Prevalence and factors associated with high arsenic exposure in the adult population of Chumbivilcas in Cusco, Peru 2024}},
  author = {Alex Jaramillo-Corrales and Ruth Nelly Oscco-Abarca and Eduarda Benito-Calderón and Milton Cesar Pechuga-Melgar and Guinetta Margarita Yabar-Herrera and Maribel Caller-Soto and Deisy Clarivel Paredes-Herrera and Beatriz Huayhua-Sivincha and Joan Miguel Ángel Castro-Benito and José Santa Cruz-Quispe},
  journal = {Revista Peruana de Medicina Experimental y Salud Publica},
  year = {2026},
  month = sep,
  doi = {10.17843/rpmesp.2026.433.16608},
  url = {https://doi.org/10.17843/rpmesp.2026.433.16608},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Prevalence and factors associated with high arsenic exposure in the adult population of Chumbivilcas in Cusco, Peru 2024
AU  - Alex Jaramillo-Corrales
AU  - Ruth Nelly Oscco-Abarca
AU  - Eduarda Benito-Calderón
AU  - Milton Cesar Pechuga-Melgar
AU  - Guinetta Margarita Yabar-Herrera
AU  - Maribel Caller-Soto
AU  - Deisy Clarivel Paredes-Herrera
AU  - Beatriz Huayhua-Sivincha
AU  - Joan Miguel Ángel Castro-Benito
AU  - José Santa Cruz-Quispe
PY  - 2026
DA  - 2026/09/29
JO  - Revista Peruana de Medicina Experimental y Salud Publica
DO  - 10.17843/rpmesp.2026.433.16608
UR  - https://doi.org/10.17843/rpmesp.2026.433.16608
AB  - Objectives.: To determine the prevalence and factors associated with high arsenic exposure in the adult population of the province of Chumbivilcas in Cusco, Peru 2024.  Materials and methods.: Analytical cross-sectional study in 370 adults selected through stratified cluster probability sampling by district. The urinary arsenic concentration was determined by inductively coupled plasma mass spectrometry (ICP-MS) and adjusted for creatinine; high exposure was defined as a concentration ≥20 µg As/g of creatinine. Sociodemographic and occupational characteristics, epidemiological history of exposure, and environmental factors were evaluated as potential associated factors. Adjusted prevalence ratios (aPR) with 95% confidence intervals (95% CI) were estimated using Poisson regression models with a log link.  Results.: The prevalence of high arsenic exposure was 68.2% (95% CI: 61.9-73.9). Exposure at work was associated with a higher prevalence of high arsenic (aPR 1.29; 95% CI: 1.07-1.56), as was the consumption of spring water (aPR 1.19; 95% CI: 1.01-1.40). Exposure at home (aPR 0.83; 95% CI: 0.69-0.99) and the respiratory route (aPR=0.82; 95% CI: 0.72-0.92) showed a lower prevalence of high arsenic.  Conclusions.: The adult population of Chumbivilcas presented a high prevalence of arsenic exposure. Exposure at work and the use of spring water were associated with a higher prevalence. Studies incorporating environmental measurements are required to guide surveillance and prevention actions.
SN  - 1726-4634
SN  - 1726-4642
ER  -