Prenatal polycyclic aromatic hydrocarbon exposure and asthma at age 8-9 years in a multi-site longitudinal study.

"Declarations Ethical approval and consent to participateThe CANDLE study was approved by the University of Tennessee Health Science Center Institutional Review Board (IRB), and TIDES study procedures were approved by IRBs at each study site as well as the TIDES coordinating center. Pregnant women provided informed consent at enrollment. The current analysis was conducted by the ECHO PATHWAYS Consortium and was approved by the University of Washington IRB. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was conducted by the ECHO PATHWAYS Consortium, funded by NIH UG3/UH3OD023271. The CANDLE study was funded by the Urban Child Institute, NIH R01HL109977, and NIH HL132338. The TIDES study was funded by NIH UG3/UH3OD023305, R01ES016863 and R01ES25169. Select surveys were administered in REDCap, which was developed with NIH funds (NCATS:UL1 TR002319). Dr. Kannan analyzed OH-PAH metabolites in TIDES with support from the New York University ECHO Cohort Center (NIH UG3/ UH3OD023305 [PI: Leonardo Trasande]). Dr. Catherine Karr was supported in part by NIH P30ES007033. Dr. Marnie Hazlehurst was supported in part by the UW NIEHS sponsored Biostatistics, Epidemiologic and Bioinformatic Training in Environmental Health (BEBTEH) Training Grant: NIEHS T32ES015459. Dr. Emily Barrett was supported in part by P30ES005022."