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Contribution of weight status to asthma prevalence racial disparities, 2–19 year olds, 1988–2014
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8 2017
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Source: Ann Epidemiol. 27(8):472-478.e3
[PDF-262.06 KB]
Details:
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Alternative Title:Ann Epidemiol
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Personal Author:
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Description:Purpose:
Racial disparities in childhood asthma prevalence increased after the 1990s. Obesity, which also varies by race/ethnicity, is an asthma risk factor but its contribution to asthma prevalence disparities is unknown.
Methods:
We analyzed nationally representative National Health Examination and Nutrition Survey data for 2–19 year olds with logistic regression and decomposition analyses to assess contributions of weight status to racial disparities in asthma prevalence, controlling for sex, age and income status.
Results:
From 1988–1994 to 2011–2014, asthma prevalence increased more among non-Hispanic black (NHB) (8.4% to 18.0%) than non-Hispanic white (NHW) youth (7.2% to 10.3%). Logistic regression showed that obesity was an asthma risk factor for all groups but that a three-way “weight status-race/ethnicity-time” interaction was not significant, i.e., weight status did not explain the race/ethnicity association with asthma over time. In decomposition analyses, weight status had a small contribution to NHB/NHW asthma prevalence disparities but most of the disparity remained unexplained by weight status or other asthma risk factors (sex, age and income status).
Conclusions:
NHB youth had a greater asthma prevalence increase from 1988–1994 to 2011–2014 than NHW youth. Most of the racial disparity in asthma prevalence remained unexplained after considering weight status and other characteristics.
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Pubmed ID:28778655
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Pubmed Central ID:PMC6413506
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Funding:
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Volume:27
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Issue:8
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