{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T09:14:26Z","timestamp":1778058866178,"version":"3.51.4"},"reference-count":24,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T00:00:00Z","timestamp":1778025600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Recep Tayyip Erdo\u011fan University Development Foundation","award":["020260040270293"],"award-info":[{"award-number":["020260040270293"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Hypertension remains the single most important modifiable risk factor for cardiovascular disease, stroke, and premature mortality worldwide. Despite major pharmacological advances, awareness, treatment, and control rates remain globally inadequate, particularly in low- and middle-income settings. T\u00fcrkiye occupies a unique epidemiological position at the intersection of European and Asian cardiovascular risk patterns, with national surveys documenting a stable hypertension prevalence of approximately 30% but persistent deficits in disease control. Methods: This cross-sectional study was conducted on World Hypertension Day (17 May 2025) across nine provinces in T\u00fcrkiye representing five geographic regions (Marmara, Aegean, Mediterranean, Black Sea, and Southeastern Anatolia). A total of 1967 adult volunteers were enrolled. Blood pressure was measured following standardized protocols and classified per ESH 2023 guidelines. A structured questionnaire captured sociodemographic data, lifestyle factors, medication adherence, and hypertension-related awareness. Results: The median participant age was 51 years; 55.4% were female. Screening-detected hypertension (BP \u2265 140\/90 mmHg) was identified in 26.6% and above-optimal blood pressure in 41.6%. A prior hypertension diagnosis was reported by 35.1%. Among the 1277 participants without a known diagnosis, 51.1% had above-optimal or hypertension-range blood pressure readings, including 11.6% with screening-detected hypertension-range blood pressure. Independent predictors in multivariate analysis included age (OR = 1.048), male sex (OR = 1.528), BMI (OR = 1.096), and alcohol consumption (OR = 1.536); regular exercise was protective (OR = 0.796). Among known hypertensive patients, only 50% monitored blood pressure regularly, 30% skipped doses, and awareness of renal (40.4%) and visual (30.6%) complications was notably low. Conclusions: This large multi-center screening study reveals a substantial proportion of previously undetected hypertension-range blood pressure readings and persistent management gaps in a volunteer-based Turkish community sample. The observed screening rate below national prevalence averages likely reflects a healthy volunteer effect inherent to this study design. World Hypertension Day offers an effective framework for simultaneous multi-center screening. Targeted interventions should address non-cardiovascular complication awareness, sodium intake, and medication adherence.<\/jats:p>","DOI":"10.3390\/jcm15093535","type":"journal-article","created":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T07:36:23Z","timestamp":1778052983000},"page":"3535","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Hidden Burden of Hypertension in T\u00fcrkiye: A Multi-Center DAHUDER World Hypertension Day Study Reveals Gaps in Awareness, Adherence, and Control"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7192-0280","authenticated-orcid":false,"given":"Hilmi Erdem","family":"Sumbul","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, University of Health Sciences, Adana Health Practice and Research Center, Adana 01230, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6624-8063","authenticated-orcid":false,"given":"Ihsan","family":"Solmaz","sequence":"additional","affiliation":[{"name":"Internal Medicine Clinic, Health Sciences University, Diyarbakir Gazi Yasargil Training and Research Hospital, Diyarbakir 21010, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6041-3817","authenticated-orcid":false,"given":"Esref","family":"Arac","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Faculty of Medicine, Dicle University, Sur, Diyarbakir 21280, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ismail","family":"Demir","sequence":"additional","affiliation":[{"name":"Internal Medicine Clinic, University of Health Science, Izmir Bozyaka Training and Research Hospital, Izmir 35170, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2435-8248","authenticated-orcid":false,"given":"Seyit","family":"Uyar","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Antalya Training and Research Hospital, Antalya 07100, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9666-8085","authenticated-orcid":false,"given":"Kamil","family":"Konur","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Division of General Internal Medicine, Recep Tayyip Erdogan University Faculty of Medicine, Rize 53200, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ersin","family":"Kuloglu","sequence":"additional","affiliation":[{"name":"Internal Medicine Clinic, Giresun University Training and Research Hospital, Giresun 28200, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1607-6355","authenticated-orcid":false,"given":"Ahmed Bilal","family":"Genc","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Faculty of Medicine, Sakarya University, Sakarya 54290, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3261-6689","authenticated-orcid":false,"given":"Celalettin","family":"Kucuk","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Istanbul University Istanbul Faculty of Medicine, Istanbul 34093, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1376-1488","authenticated-orcid":false,"given":"Kubilay","family":"Issever","sequence":"additional","affiliation":[{"name":"Internal Medicine Clinic, Giresun University Training and Research Hospital, Giresun 28200, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1457-4366","authenticated-orcid":false,"given":"Nizameddin","family":"Koca","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Bursa Faculty of Medicine, Bursa State Training and Research Hospital, University of Health Sciences, Bursa 16059, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1160-9340","authenticated-orcid":false,"given":"Alihan","family":"Oral","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Faculty of Medicine, Biruni University, Istanbul 34295, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8181-0341","authenticated-orcid":false,"given":"Ozden","family":"Y\u0131ld\u0131r\u0131m Akan","sequence":"additional","affiliation":[{"name":"Internal Medicine Clinic, University of Health Science, Izmir Bozyaka Training and Research Hospital, Izmir 35170, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5713-004X","authenticated-orcid":false,"given":"Huseyin Ali","family":"Ozturk","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, University of Health Sciences, Adana Health Practice and Research Center, Adana 01230, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9553-722X","authenticated-orcid":false,"given":"Bektas","family":"Isik","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, University of Health Sciences, Adana Health Practice and Research Center, Adana 01230, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fatih Necip","family":"Arici","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, University of Health Sciences, Adana Health Practice and Research Center, Adana 01230, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bercem","family":"Berent","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Viransehir State Hospital, Sanliurfa 63700, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hatice","family":"Beyazal Polat","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Division of General Internal Medicine, Recep Tayyip Erdogan University Faculty of Medicine, Rize 53200, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nazif","family":"Yalcin","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Bursa Faculty of Medicine, Bursa State Training and Research Hospital, University of Health Sciences, Bursa 16059, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7114-9334","authenticated-orcid":false,"given":"Deniz","family":"Cekic","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Faculty of Medicine, Sakarya University, Sakarya 54290, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6768-7973","authenticated-orcid":false,"given":"Selcuk","family":"Yaylaci","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Faculty of Medicine, Sakarya University, Sakarya 54290, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8767-2771","authenticated-orcid":false,"given":"Ramazan Azim","family":"Okyay","sequence":"additional","affiliation":[{"name":"Public Health Department, Adana Medical School, University of Health Sciences, Adana 01790, T\u00fcrkiye"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,6]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2023). 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