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Lead exposure among children from native communities of the Peruvian Amazon basin

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Date
2012
Author
Anticona, Cynthia
Bergdahl, Ingvar A
San Sebastian, Miguel
Metadata
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Abstract
Objective. To assess potential risk factors associated with elevated blood lead levels (BLLs) among children in two communities from the Corrientes River basin in the Peruvian Amazon.Methods. Children aged 0 17 years were screened for BLLs, hemoglobin levels, and anthropometric measures. Dwelling, family, and child data were collected through a parental questionnaire. Statistical analysis included descriptive and bivariate analysis. Multiple linear and logistic regressions using generalized estimating equations were also conducted to determine associated risk factors. A map of each community was drawn to examine the spatialdistribution of BLLs. Results. Of 208 children (88 from 23 households of the Peruanito community and 120 from28 households of Santa Isabel), 27.4% had BLLs ≥ 10 μg/dL. The geometric mean (± standard deviation) BLL was 8.7 ± 4.0 μg/dL (range 3.0 26.8 μg/dL). In the total population, linearregression analysis indicated that age was positively associated with BLLs (P 0.05). Logistic regression analysis showed that boys had 2.12 times greater odds of having BLLs ≥ 10 μg/dLthan girls (P 0.05). Among the children 0 3 years, those whose mothers had BLLs ≥ 10 μg/ dL had 45.0% higher odds of presenting BLLs ≥ 10 μg/dL than children whose mothers had BLLs 10 μg/dL (P 0.05). Conclusions. Older age, male gender, and mothers BLL ≥ 10 μg/dL were the main risk factors for elevated BLLs. The higher risk in boys 7 17 years suggests that exposure could berelated to specific activities in this group, such as fishing and hunting. Continuous monitoring of BLLs in the Corrientes River population is recommended.(AU)
 
Objetivo. Evaluar los potenciales factores de riesgo asociados con niveles elevados de plomo en sangre (Pbs) en niños de dos comunidades de la cuenca del río Corrientes en la Amazonia peruana. Métodos. Se estudiaron de manera sistemática los niveles de PbS, la concentración de hemoglobina y las medidas antropométricas en niños de 0 a 17 años. A través de un cuestionario efectuado a los padres se recopilaron datos sobre la vivienda, la familiay los niños. El análisis estadístico incluyó el análisis descriptivo y de dos variables. También se llevaron a cabo análisis de regresión logística y lineal múltiple usando ecuaciones predictivas generales para determinar los factores de riesgo asociados. Se trazó un mapa de cada comunidad para examinar la distribución espacial de los niveles de PbS. Resultados. De 208 niños (88 de 23 hogares de la comunidad de Peruanito y 120 de 28 hogares de Santa Isabel), 27,4% presentaron niveles de PbS ≥ 10 μg/dL. La mediageométrica (± desviación estándar) de los niveles de PbS fue 8,7 μg/dL ± 4,0 (amplitud 3,0 a 26,8 μg/dL). En la población total, el análisis de regresión lineal indicó que la edad se asociaba de manera positiva con los niveles de PbS (P 0,05). El análisis de regresión logística demostró que los varones presentaron una probabilidad 2,12 vecesmayor de tener niveles de PbS ≥ 10 μg/dL que las niñas (P 0,05). En los niños de ambos sexos de 0 a 3 años, aquellos cuyas madres tuvieron niveles de PbS ≥ 10 μg/ dL presentaron 45,0% más probabilidades de exhibir niveles de PbS ≥ 10 μg/dL que los niños cuyas madres tuvieron niveles de PbS 10 μg/dL (P 0,05).(AU)
 
Series
Rev Panam Salud Publica;31(4),apr. 2012
Subject
Intoxicación por Plomo; intoxicación del sistema nervioso por plomo en la infancia; Factores de Riesgo; Peru; Lead Poisoning; lead poisoning, nervous system, childhood; risk factors; Peru; Exposição Ambiental; Índios Sul-Americanos; Intoxicação por Chumbo; Peru; Fatores de Risco
URI
https://iris.paho.org/handle/10665.2/9380
Citation
Anticona, Cynthia,Bergdahl, Ingvar A,San Sebastian, Miguel (2012) Lead exposure among children from native communities of the Peruvian Amazon basin. Rev Panam Salud Publica;31(4) 296-302,apr. 2012.
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