Most Relevant Sources Of Indoor Particles In
Children’s Rooms And Respiratory Health Effects
Of Size-segregated Particles
Author(s)
U. Franck, S. Röder, U. Schlink, M. Borte,
O. Herbarth & I. Lehmann
Abstract
Numerous epidemiological studies have provided evidence of an association
between elevated outdoor particulate air pollution and adverse health effects.
Young children typically spend majority of time at home and indoors. There is
still limited knowledge on indoor particles sources and especially on their health
effects. Even insights into the influence of differently sized indoor particles on
human health are extremely rare. We studied these correlations for three year
aged children.
Information on possible particle sources (exposure to environmental tobacco
smoke, type of heating, and traffic at place of residence as well as in front of the
children’s room) and respiratory outcomes were obtained from questionnaires.
Short-term measurements of particle mass and number concentrations within
different particle size fractions were carried out in children’s rooms. Indoor
concentrations of these size fractions were correlated with possible sources of
indoor particles and with respiratory health impacts.
Daily smoking, smoking more than 5 cigarettes per day at home and traffic
density in front of the window of children’s room were found to be related to
indoor exposure by particles of different diameters. High indoor particle
exposures were associated with an increased risk for the development of
obstructive bronchitis and in some extent of non-obstructive bronchitis. The
strongest impact was associated to mass concentration of particles < 1 μm and
Keywords
children’s health, respiratory effects, indoor air, particle fractions
Related Book
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