{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T05:48:08Z","timestamp":1782366488620,"version":"3.54.5"},"reference-count":37,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T00:00:00Z","timestamp":1782345600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Epidemiol."],"abstract":"\n Background<\/jats:title>\n Chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD) are two independent leading causes of morbidity and death, with co-existence contributing substantially to morbidity and deaths among aging populations. Despite growing evidence on the impact of COPD-CVD co-existence, little is known about COPD-CHD co-morbidity, as other previous studies mostly examine CVD as a single aggregated health outcome, obscuring disease-specific trajectories.<\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n To assess 5-year national trends and sociodemographic disparities in the prevalence of coexisting CHD-COPD co-morbidity.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n Using the 2020\u22122024 National Health Interview Survey Integrated Public Use Microdata Series adults' dataset, we estimated the national prevalence of CHD-COPD co-morbidity. Weighted descriptive statistics, multivariate regression models, and sensitivity analysis were used to examine the associations.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n CHD-COPD co-morbidity prevalence showed no statistically significant increase from 2020 to 2024; although the estimated linear trend was positive, it did not reach statistical significance (OR per 1-year increase\u2009=\u20091.04; 95% CI: 0.997\u20131.08;\n p<\/jats:italic>\n \u2009=\u20090.072). Age, sex, body mass index, race\/ethnicity, geographical region, smoking status, insurance status, income, and educational attainment were strong independent predictors of CHD-COPD co-morbidity. Older age (aOR: 1.004; 95% CI: 1.003\u20131.004,\n p<\/jats:italic>\n \u2009&lt;\u20090.0001) was independently associated with higher odds; current and former smokers had approximately 5\u20136 times higher odds of CHD-COPD co-morbidity.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n CHD-COPD co-morbidity is a rare but clinically significant condition, with a stable adjusted prevalence of approximately 0.35%\u20130.43% annually among United States adults from 2020 to 2024. Smoking, older age, male sex, lower income, and Southern residence were the strongest independent predictors of CHD-COPD co-morbidity. These findings underscore the need for integrated, sociodemographically targeted prevention and chronic-disease management strategies addressing shared cardiopulmonary risk factors, particularly tobacco use, across vulnerable populations.<\/jats:p>\n <\/jats:sec>","DOI":"10.3389\/fepid.2026.1840095","type":"journal-article","created":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T05:30:40Z","timestamp":1782365440000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Coronary heart disease and chronic obstructive pulmonary disease prevalence and temporal trends among United States adults: a national population-based study"],"prefix":"10.3389","volume":"6","author":[{"given":"Muinat Abolore","family":"Idris","sequence":"first","affiliation":[{"name":"Department of Health Promotion and Behavioral Sciences, School of Public Health, The University of Texas Health Science Center at Houston","place":["Houston, TX, United States"]},{"name":"Department of Environmental & Occupational Health Sciences, School of Public Health, The University of Texas Health Science Center at Houston","place":["Houston, TX, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valerie M.","family":"Valenzuela","sequence":"additional","affiliation":[{"name":"Department of Environmental & Occupational Health Sciences, School of Public Health, The University of Texas Health Science Center at Houston","place":["Houston, TX, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Aguilera","sequence":"additional","affiliation":[{"name":"Department of Health Promotion and Behavioral Sciences, School of Public Health, The University of Texas Health Science Center at Houston","place":["Houston, TX, United States"]},{"name":"Department of Environmental & Occupational Health Sciences, School of Public Health, The University of Texas Health Science Center at Houston","place":["Houston, TX, United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,6,25]]},"reference":[{"key":"B1","volume-title":"Chronic Disease Indicators. 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