Abstract
Children have higher polybrominated diphenyl ether (PBDE) body burdens than adults, which may be related to hand-to-mouth behavior. We investigate associations between children’s behavior, including hand-to-mouth contacts, and markers of PBDE exposure. In addition, we investigate associations between characteristics of the home environment and exposure. Eighty-three children aged 12–36 months were recruited from North Carolina (2009–2010). Children provided blood and handwipes samples, which were analyzed for PBDEs. Parents completed questionnaires, providing demographic, behavioral, and environmental data. More active children had higher levels of PBDEs on their hands and in their bodies. For example, children who spent more time sleeping had lower exposures to PBDEs; each additional hour of sleep resulted in a 30% decrease in handwipe BDE-99 levels (P<0.001) and a 15% decrease in serum (P=0.03). After accounting for handwipe PBDE levels, children who licked their fingers while eating had higher serum PBDEs. Other behaviors were not consistently associated with serum levels. Playing with plastic toys was associated with higher handwipe levels of PBDEs, while frequent vacuuming decreased handwipe PBDE levels. Characteristics of the home environment generally were not associated with serum PBDEs. Our results suggest that certain aspects of children’s behavior and their environment impact exposure to PBDEs.
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Acknowledgements
Funding for this study was provided by a research grant from the National Institute of Environmental Health Sciences (NIEHS) grant R01 ES016099. TFW was supported in part by R01ES015829. KH was supported through a donation provided by Fred and Alice Stanback. The views expressed in this document are solely those of the authors and do not necessarily represent those of the Centers for Disease Control and Prevention. Additional thanks are extended to all the study participants.
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Hoffman, K., Webster, T., Sjödin, A. et al. Toddler’s behavior and its impacts on exposure to polybrominated diphenyl ethers. J Expo Sci Environ Epidemiol 27, 193–197 (2017). https://doi.org/10.1038/jes.2016.11
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DOI: https://doi.org/10.1038/jes.2016.11
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