{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T13:16:18Z","timestamp":1785417378183,"version":"3.56.0"},"reference-count":28,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T00:00:00Z","timestamp":1775174400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003654","name":"Korea Environment Industry & Technology Institute","doi-asserted-by":"publisher","award":["2021003340002"],"award-info":[{"award-number":["2021003340002"]}],"id":[{"id":"10.13039\/501100003654","id-type":"DOI","asserted-by":"publisher"}]},{"award":["2021003340002"],"award-info":[{"award-number":["2021003340002"]}],"id":[{"id":"https:\/\/ror.org\/022r1q746","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008005","name":"Yonsei University College of Medicine for 2010","doi-asserted-by":"publisher","award":["6-2010-0189"],"award-info":[{"award-number":["6-2010-0189"]}],"id":[{"id":"10.13039\/501100008005","id-type":"DOI","asserted-by":"publisher"}]},{"award":["6-2010-0189"],"award-info":[{"award-number":["6-2010-0189"]}],"id":[{"id":"https:\/\/ror.org\/01wjejq96","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003710","name":"Korea Health Industry Development Institute","doi-asserted-by":"publisher","award":["RS-2025-25459824"],"award-info":[{"award-number":["RS-2025-25459824"]}],"id":[{"id":"10.13039\/501100003710","id-type":"DOI","asserted-by":"publisher"}]},{"award":["RS-2025-25459824"],"award-info":[{"award-number":["RS-2025-25459824"]}],"id":[{"id":"https:\/\/ror.org\/00fdzyk40","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Medicina"],"abstract":"<jats:p>Background and Objectives: We aimed to evaluate differences in PM exposure reduction behaviors among older adults and patients with chronic respiratory diseases, atrial fibrillation, and stroke and to identify associated determinants. Materials and Methods: This multicenter cross-sectional study included 717 participants from five cohorts: older adults (n = 255), chronic obstructive pulmonary disease (COPD, n = 145), asthma (n = 100), atrial fibrillation (n = 117), and stroke (n = 100). PM exposure reduction behaviors were assessed using a standardized 18-item questionnaire (total score range: 0\u2013126) covering indoor, outdoor, and other behaviors (health-seeking actions, such as checking air quality and using purifiers). Results: In multivariable linear regression models, COPD (\u03b2 = 11.09), asthma (\u03b2 = 15.54), and atrial fibrillation (\u03b2 = 14.29) were associated with significantly higher total behavior scores compared with the older adult cohort (adjusted mean 69.0), corresponding to an approximately 20% relative increase in the asthma cohort. The stroke cohort did not differ significantly from the primary cohort. Domain-specific analyses showed that indoor and other behavioral scores were consistently higher across all disease cohorts, whereas outdoor scores were significantly elevated only for asthma and atrial fibrillation. In a fully adjusted model that included all covariates simultaneously, the stroke cohort demonstrated a modest increase in the total score (\u03b2 = 8.79). Increased age and higher educational attainment were independently associated with greater behavioral engagement. Conclusions: PM exposure reduction behavior scores differed across the clinical cohorts, and sociodemographic factors were independently associated with behavioral engagement. These findings support personalized disease-specific counseling and inform future digital health interventions for vulnerable populations.<\/jats:p>","DOI":"10.3390\/medicina62040689","type":"journal-article","created":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T04:10:27Z","timestamp":1775448627000},"page":"689","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Engagement in Particulate Matter Exposure Reduction Behaviors Across Diverse Clinical Cohorts"],"prefix":"10.3390","volume":"62","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9917-9802","authenticated-orcid":false,"given":"Sung Woo","family":"Moon","sequence":"first","affiliation":[{"name":"Division of Pulmonary and Allergy, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul 05030, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji Ye","family":"Jung","sequence":"additional","affiliation":[{"name":"Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Institute of Chest Diseases, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyun Woo","family":"Ji","sequence":"additional","affiliation":[{"name":"Division of Pulmonology and Allergy, Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang 10444, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8792-9730","authenticated-orcid":false,"given":"Dae-Ryong","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Precision Medicine, Yonsei University Wonju College of Medicine, Wonju 26426, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2868-2221","authenticated-orcid":false,"given":"Yong Jin","family":"Lee","sequence":"additional","affiliation":[{"name":"Institute of Environmental Research, College of Medicine, Yonsei University, Seoul 03722, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Bae","family":"Kim","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University, Seoul 02447, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yeong-Bae","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Neurology, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon 21565, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Changsoo","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaelim","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mi-Ji","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine and Institute of Health Science, Gyeongsang National University College of Medicine, Jinju 52727, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hye Jin","family":"Park","sequence":"additional","affiliation":[{"name":"Division of Pulmonology and Allergy, Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang 10444, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9656-8482","authenticated-orcid":false,"given":"Young Sam","family":"Kim","sequence":"additional","affiliation":[{"name":"Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Institute of Chest Diseases, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1132","DOI":"10.1001\/jama.287.9.1132","article-title":"Lung Cancer, Cardiopulmonary Mortality, and Long-term Exposure to Fine Particulate Air 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