Impact of a waste disposal site on children physical growth
Background: Several epidemiological studies have shown an increased risk of health problems among population living close to landfills. We evaluated the impact of a municipal solid waste disposal site on children's growth between 0-3 years of age. Methods: Children were selected in sites likely...
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Veröffentlicht in: | Colombia médica (Cali, Colombia) Colombia), 2009-05, Vol.39 (3) |
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Zusammenfassung: | Background: Several epidemiological studies have shown an increased
risk of health problems among population living close to landfills. We
evaluated the impact of a municipal solid waste disposal site on
children's growth between 0-3 years of age. Methods: Children
were selected in sites likely to receive dispersion of air compounds
from the waste disposal site and also in a control area, in Cali,
Colombia, in 2005. Anthropometric measures were obtained at enrollment
and in two follow-up visits at 3 months intervals to obtain
standardized z scores of weight for height (WHZ) and height for age
(HAZ). In addition, questionnaires including information of
socio-economical conditions and morbidity were applied at enrolment and
during follow-up visits. Results: Children exposed had on average
0.16 less standard deviations (SD) in WHZ scores when compared to
control group (95% Confidence Interval [CI]: -0.34, 0.01). Among those
who have lived > 50% of their life in the study area, a
significantly lower HAZ score was observed (-0.12) associated with
exposure. Our data also suggest a larger effect of exposure to the
waste disposal site in WHZ among children with symptoms of respiratory
disease than among asymptomatic children (p=0.08). Conclusions:
Exposure to this waste disposal site was found associated with lower
children's growth indexes.
Antecedentes: Varios estudios epidemiológicos han mostrado un
aumento en el riesgo de presentar problemas de salud entre las personas
que habitan cerca a los rellenos sanitarios. En este estudio se
evaluó el impacto de un depósito municipal de residuos
sólidos en el crecimiento de los niños entre 0 y 3 años
de edad. Materiales y métodos: Los niños expuestos se
seleccionaron en sitios con alta probabilidad de exposición a los
agentes provenientes del depósito por dispersión aérea.
Se seleccionó un grupo control cuya distancia y ubicación
hacía poco probable que estuviera expuesto a dichos agentes. Se
obtuvieron medidas antropométricas a la captación y en dos
visitas de seguimiento, con intervalos de 3 meses. Se obtuvieron los
puntajes estandarizados de Z del peso para la talla (PT) y talla para
la edad (TE). Además, se realizaron cuestionarios acerca de
condiciones socio-económicas y morbilidad en la captación y
en las visitas de seguimiento. Resultados: Los niños expuestos
tuvieron en promedio 0.16 desviaciones estándar (DE) menos en el
PT al compararlo con el grupo control (intervalo de confianza 95% [IC]:
-0.34, 0.01). Entre |
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ISSN: | 0120-8322 |