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133rd Annual Meeting & Exposition December 10-14, 2005 Philadelphia, PA |
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Mary Johnson, MSc1, Jerome Nriagu, PhD1, Adnan Hammad, PhD2, Kathryn Savoie, PhD2, and Hikmet J. Jamil, MD PhD FFOMI3. (1) Environmental Health Sciences, University of Michigan, School of Public Health, 109 Oabservatory Street, Ann Arbor, MI 48109, 734-222-9419, Maryjz@umich.edu, (2) Community Health & Research Center, ACCESS, 6450 Maple Street, Dearborn, MI 48126, (3) Wayne State University Department of Family Medicine, ACCESS Community Health & Research Center, 6450 Maple Street, Dearborn, MI 48126
The importance of environmental risk factors in asthma etiology has been well-documented, while environmental lead exposure has been causally linked with hypertension. Recent studies have attempted to explore whether lead exposure is a risk factor for asthma with inconclusive results. However, few previous studies have explored the relationship between hypertension and asthma. This study explores the relationships between hypertension, asthma and environmental risk factors in a population of 600 Arab American adults in the Metro Detroit area. We used an Environmental Risk Index (ERI) to quantify household environmental risk factors associated with asthma; physician diagnosed hypertension was self-reported. Asthma status was determined using responses to a validated symptoms checklist and self-reported diagnosis by a physician. Hypertension was significantly associated with asthma after adjusting for age, gender, health care access, and socio-economic status. Comparing the relationship between environmental risk factors and asthma, we found that ERI was ignificantly associated with asthma among participants with and without hypertension; however, the relationship between environmental risk factors and asthma was stronger among participants with hypertension. This interaction was stronger among women in the study population, and was statistically significant adjusting for age, health care access, and socio-economic status. These results are consistent with the hypothesis that lead exposure increases asthma risk. They are also consistent with the disproportionate asthma risk associated with obesity among women. Our results also suggest that hypertension may impact asthma not only through shared risk factors, but through an increased vulnerability to environmental stressors.
Learning Objectives: Participants will be able to
Keywords: Cholesterol, Asthma
Presenting author's disclosure statement:
I wish to disclose that I have NO financial interests or other relationship with the manufactures of commercial products, suppliers of commercial services or commercial supporters.
The 133rd Annual Meeting & Exposition (December 10-14, 2005) of APHA