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Master of Public Health

Interaction Between Chronic Bronchitis and Blood Cadmium Levels on the Prevalence of Myocardial infarction in US adults: The National Health and Nutritional Examination Survey, 2005-2016

AUTHORS

Ibrahimou B , Sun N , Azim SI , Aliyu MH , Guilarte TR , . Journal of occupational and environmental medicine. 2021 8 4; ().

ABSTRACT

OBJECTIVE: To explore the interaction between chronic bronchitis and blood cadmium on the prevalence of myocardial infarction.

METHODS: We used weighted US-NHANES data. Multivariate survey logistic regression was used to examine the associations between myocardial infarction, cadmium concentration and chronic bronchitis. Adjusted odds ratios, 95% confidence intervals were computed.

RESULTS: There was a significant interaction (OR=1.33, CI = [1.01, 1.74]) between chronic bronchitis and blood cadmium level on the presence of myocardial infarction. For 1 μg/L increase in cadmium level, people with chronic bronchitis had 1.65 (1.24*1.33) times the odds of having myocardial infarction, while those without chronic bronchitis would be only 1.24 times as likely having the outcome (OR = 1.24, CI = [1.05, 1.46]).

CONCLUSION: Findings highlights the role of chronic bronchitis on the relationship between blood cadmium concentration and myocardial infarction. Prospective cohort designs are needed to confirm these findings.

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