國家衛生研究院 NHRI:Item 3990099045/6048
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/6048


    Title: African ancestry, early life exposures, and respiratory morbidity in early childhood
    Authors: Kumar, R;Tsai, HJ;Hong, X;Gignoux, C;Pearson, C;Ortiz, K;Fu, M;Pongracic, JA;Burchard, EG;Bauchner, H;Wang, X
    Contributors: Division of Biostatistics and Bioinformatics
    Abstract: Background Racial disparities persist in early childhood wheezing and cannot be completely explained by known risk factors. Objective To evaluate the associations of genetic ancestry and self-identified race with early childhood recurrent wheezing, accounting for socio-economic status (SES) and early life exposures. Methods We studied 1034 children in an urban, multi-racial, prospective birth cohort. Multivariate logistic regression was used to evaluate the association of genetic ancestry as opposed to self-identified race with recurrent wheezing (>3 episodes). Sequential models accounted for demographic, socio-economic factors and early life risk factors. Genetic ancestry, estimated using 150 ancestry informative markers, was expressed in deciles. Results Approximately 6.1% of subjects (mean age 3.1?years) experienced recurrent wheezing. After accounting for SES and demographic factors, African ancestry (OR: 1.16, 95% CI: 1.02–1.31) was significantly associated with recurrent wheezing. By self-reported race, hispanic subjects had a borderline decrease in risk of wheeze compared with African Americans (OR: 0.44, 95% CI: 0.19–1.00), whereas white subjects (OR: 0.46, 95% CI: 0.14–1.57) did not have. After further adjustment for known confounders and early life exposures, both African (OR: 1.19, 95% CI: 1.05–1.34) and European ancestry (OR: 0.84, 95% CI: 0.74–0.94) retained a significant association with recurrent wheezing, as compared with self-identified race (ORwhites: 0.31, 95% CI: 0.09–1.14; ORhispanic: 0.47, 95% CI: 0.20–1.08). There were no significant interactions between ancestry and early life factors on recurrent wheezing. Conclusions and Clinical Relevance In contrast to self-identified race, African ancestry remained a significant, independent predictor of early childhood wheezing after accounting for early life and other known risk factors associated with lung function changes and asthma. Genetic ancestry may be a powerful way to evaluate wheezing disparities and a proxy for differentially distributed genetic and early life risk factors associated with childhood recurrent wheezing.
    Date: 2012-02
    Relation: Clinical and Experimental Allergy. 2012 Feb;42(2):265-274.
    Link to: http://dx.doi.org/10.1111/j.1365-2222.2011.03873.x
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0954-7894&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000299617200011
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84863051752
    Appears in Collections:[Hui-Ju Tsai] Periodical Articles

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