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. 2023 Jul;152(1):84-93.
doi: 10.1016/j.jaci.2023.03.016. Epub 2023 Mar 25.

Incidence rates of childhood asthma with recurrent exacerbations in the US Environmental influences on Child Health Outcomes (ECHO) program

Collaborators, Affiliations

Incidence rates of childhood asthma with recurrent exacerbations in the US Environmental influences on Child Health Outcomes (ECHO) program

Rachel L Miller et al. J Allergy Clin Immunol. 2023 Jul.

Abstract

Background: Descriptive epidemiological data on incidence rates (IRs) of asthma with recurrent exacerbations (ARE) are sparse.

Objectives: This study hypothesized that IRs for ARE would vary by time, geography, age, and race and ethnicity, irrespective of parental asthma history.

Methods: The investigators leveraged data from 17,246 children born after 1990 enrolled in 59 US with 1 Puerto Rican cohort in the Environmental Influences on Child Health Outcomes (ECHO) consortium to estimate IRs for ARE.

Results: The overall crude IR for ARE was 6.07 per 1000 person-years (95% CI: 5.63-6.51) and was highest for children aged 2-4 years, for Hispanic Black and non-Hispanic Black children, and for those with a parental history of asthma. ARE IRs were higher for 2- to 4-year-olds in each race and ethnicity category and for both sexes. Multivariable analysis confirmed higher adjusted ARE IRs (aIRRs) for children born 2000-2009 compared with those born 1990-1999 and 2010-2017, 2-4 versus 10-19 years old (aIRR = 15.36; 95% CI: 12.09-19.52), and for males versus females (aIRR = 1.34; 95% CI 1.16-1.55). Black children (non-Hispanic and Hispanic) had higher rates than non-Hispanic White children (aIRR = 2.51; 95% CI 2.10-2.99; and aIRR = 2.04; 95% CI: 1.22-3.39, respectively). Children born in the Midwest, Northeast and South had higher rates than those born in the West (P < .01 for each comparison). Children with a parental history of asthma had rates nearly 3 times higher than those without such history (aIRR = 2.90; 95% CI: 2.43-3.46).

Conclusions: Factors associated with time, geography, age, race and ethnicity, sex, and parental history appear to influence the inception of ARE among children and adolescents.

Keywords: Asthma; environmental and social determinants of asthma; incidence rates; recurrent exacerbations.

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Conflict of interest statement

Conflicts of interest:

Carlos A. Camargo, Jr. reports AstraZeneca (Scientific Advisory Board in 2020); Sanofi Genzyme (Scientific Advisory Board in 2021). José F. Cordero is a consultant to Sanofi Pasteur specifically about dengue vaccine development. James E. Gern has received consulting fees from AstraZeneca and Meissa Vaccines, Inc, and has stock options in Meissa Vaccines, Inc. Tina Hartert serves on vaccine DSMB and advisory panels for Pfizer and Sanofi (without funding). Daniel J. Jackson has funding from GlaxoSmithKline and Regeneron, personal fees for DSMB from Pfizer, and personal fees for consulting from AstraZeneca, Avillion, GlaxoSmithKline, Sanofi, Regeneron. All other authors (Rachel L. Miller, Holly Schuh, Aruna Chandran, Izzuddin M. Aris, Casper Bendixsen, Jeffrey Blossom, Carrie Breton, Glorisa Canino, Kecia N. Carroll, Sarah Commodore, Dana M. Dabelea, Assiamira Ferrara, Rebecca C. Fry, Jody M. Ganiban, Frank D. Gilliland, Diane R. Gold, Rima Habre, Marion E. Hare, Robyn N. Harte, Tina Hartert, Kohei Hasegawa, Gurjit K. Khurana Hershey, Daniel J. Jackson, Christine Joseph, Jean M. Kerver, Haejin Kim, Augusto A. Litonjua, Carmen J. Marsit, Cindy McEvoy, Eneida A. Mendonça, Paul E. Moore, Flory L. Nkoy, Thomas G. O’Connor, Emily Oken, Dennis Ownby, Matthew Perzanowski, Katherine Rivera-Spoljaric, Patrick H. Ryan, Anne Marie Singh, Joseph B. Stanford, Rosalind J. Wright, Robert O. Wright, Antonella Zanobetti, Edward Zoratti and Christine C. Johnson) have nothing to disclose.

Figures

Figure 1:
Figure 1:
Consort diagram. N=4,114 children from the general ECHO population of n=17,246 who were determined to report healthcare provider diagnosis of ever asthma, and among these children, n=2,061 had at least one use of corticosteroids. N=278 children received corticosteroid prescriptions without determination of an asthma diagnosis prior to age 5 years.
Figure 2:
Figure 2:
Participating ECHO cohort recruitment sites. 59 cohort recruitment sites across the United States and one from Puerto Rico, with coloring to indicate the 4 census regions, are displayed.

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