{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T16:44:39Z","timestamp":1787330679736,"version":"build-2736575974"},"reference-count":24,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T00:00:00Z","timestamp":1787270400000},"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. Public Health"],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To explore the factors influencing the screening behavior of first-degree relatives of lung cancer patients toward low-dose computed tomography (LDCT) screening based on the Theory of Planned Behavior (TPB), gain deeper insights into their subjective experiences and core demands, and provide a theoretical basis and improvement measures for enhancing screening participation rates among this high-risk population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Employing a descriptive phenomenological approach, semi-structured interviews were conducted with 14 first-degree relatives of lung cancer patients at a hospital from May to July 2025. Thematic analysis was performed using directed content analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Guided by the TPB, 11 themes across 3 dimensions were identified: Behavioral Attitudes (affirming screening value, family environment influence, cognitive biases hindering screening), Subjective Norms (influence of others\u2019 behavior, healthcare professional recommendations, rural cognitive limitations), and Perceived Behavioral Control (financial constraints, work-time conflicts, cumbersome screening procedures, negative psychological perceptions, policy reference effects).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Screening behaviors among first-degree relatives of lung cancer patients are influenced by multidimensional factors. Healthcare providers should integrate the TPB framework and implement multi-level improvement measures\u2014including enhanced health education, optimized screening services, and improved policy support\u2014to increase screening adherence.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpubh.2026.1896783","type":"journal-article","created":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T16:19:50Z","timestamp":1787329190000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Influencing factors of low-dose computed tomography screening behavior among first-degree relatives of lung cancer patients based on the theory of planned behavior: a qualitative study"],"prefix":"10.3389","volume":"14","author":[{"given":"Si","family":"Lin","sequence":"first","affiliation":[{"name":"The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine","place":["Foshan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaming","family":"He","sequence":"additional","affiliation":[{"name":"The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine","place":["Foshan, China"]},{"name":"Department of General Surgery, Foshan Hospital of Traditional Chinese Medicine","place":["Foshan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weixuan","family":"Ye","sequence":"additional","affiliation":[{"name":"The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine","place":["Foshan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaokun","family":"Wu","sequence":"additional","affiliation":[{"name":"The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine","place":["Foshan, China"]},{"name":"Department of Gastroenterology, Foshan Hospital of Traditional Chinese Medicine","place":["Foshan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lixue","family":"Liang","sequence":"additional","affiliation":[{"name":"The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine","place":["Foshan, China"]},{"name":"Department of General Surgery, Foshan Hospital of Traditional Chinese Medicine","place":["Foshan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinsong","family":"Chen","sequence":"additional","affiliation":[{"name":"The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine","place":["Foshan, China"]},{"name":"Department of Cancer Center, Foshan Hospital of Traditional Chinese Medicine","place":["Foshan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,8,21]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"229","DOI":"10.3322\/caac.21834","article-title":"Global cancer statistics 2022: 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Formos Med Assoc"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"882","DOI":"10.1016\/j.chest.2024.05.026","article-title":"The proposed ninth edition TNM classification of lung cancer","volume":"166","author":"Detterbeck","year":"2024","journal-title":"Chest"},{"key":"ref6","doi-asserted-by":"publisher","first-page":"57","DOI":"10.1186\/s40880-017-0221-8","article-title":"Mortality outcomes of low-dose computed tomography screening for lung cancer in urban China: a decision analysis and implications for practice","volume":"36","author":"Wang","year":"2017","journal-title":"Chin J Cancer"},{"key":"ref7","doi-asserted-by":"publisher","first-page":"3015","DOI":"10.1007\/s11606-020-05951-7","article-title":"Lung cancer screening with low-dose CT: a meta-analysis","volume":"35","author":"Hoffman","year":"2020","journal-title":"J Gen Intern Med"},{"key":"ref8","doi-asserted-by":"publisher","first-page":"68","DOI":"10.1111\/joim.13480","article-title":"Low-dose computed tomography lung cancer screening: clinical evidence and implementation research","volume":"292","author":"Lancaster","year":"2022","journal-title":"J Intern Med"},{"key":"ref9","year":"2026"},{"key":"ref10","first-page":"3175","article-title":"Chinese Medical Association guideline for clinical diagnosis and treatment of lung cancer (2024 edition)","volume-title":"Zhonghua Yi Xue Za Zhi","year":"2024"},{"key":"ref11","doi-asserted-by":"publisher","first-page":"e030871","DOI":"10.1136\/bmjopen-2019-030871","article-title":"Did psychosocial status, sociodemographics and smoking status affect non-attendance in control participants in the Danish lung Cancer screening trial? A nested observational study","volume":"10","author":"Malmqvist","year":"2020","journal-title":"BMJ Open"},{"key":"ref12","doi-asserted-by":"publisher","first-page":"1278","DOI":"10.1001\/jamaoncol.2016.6416","article-title":"Lung cancer screening with low-dose computed tomography in the United States-2010 to 2015","volume":"3","author":"Jemal","year":"2017","journal-title":"JAMA Oncol"},{"key":"ref13","doi-asserted-by":"publisher","first-page":"3961","DOI":"10.12114\/j.issn.1007-9572.2023.0921","article-title":"Influencing factors of screening behavior of first-degree relatives of lung cancer patients based on logistic regression and decision tree model","volume":"28","author":"Zhang","year":"2024","journal-title":"Chin Gen Pract"},{"key":"ref14","doi-asserted-by":"publisher","first-page":"718","DOI":"10.1016\/j.chest.2021.02.050","article-title":"Risk perception among a lung cancer screening population","volume":"160","author":"Turner","year":"2021","journal-title":"Chest"},{"key":"ref15","doi-asserted-by":"publisher","first-page":"2016","DOI":"10.1016\/j.jtho.2021.07.025","article-title":"Psychological targets for lung cancer screening uptake: a prospective longitudinal cohort study","volume":"16","author":"Quaife","year":"2021","journal-title":"J Thorac Oncol"},{"key":"ref16","doi-asserted-by":"publisher","first-page":"314","DOI":"10.1002\/hbe2.195","article-title":"The theory of planned behavior: frequently asked questions","volume":"2","author":"Ajzen","year":"2020","journal-title":"Hum Behav Emerg Technol"},{"key":"ref17","doi-asserted-by":"publisher","first-page":"349","DOI":"10.1093\/intqhc\/mzm042","article-title":"Consolidated criteria for reporting qualitative research (COREQ): a 32-item checklist for interviews and focus groups","volume":"19","author":"Tong","year":"2007","journal-title":"Int J Qual Health Care"},{"key":"ref18","doi-asserted-by":"publisher","first-page":"59","DOI":"10.1111\/hex.12433","article-title":"Lung cancer screening: what do long-term smokers know and believe?","volume":"20","author":"Carter-Harris","year":"2017","journal-title":"Health Expect"},{"key":"ref19","doi-asserted-by":"publisher","first-page":"e0275361","DOI":"10.1371\/journal.pone.0275361","article-title":"Motivation is not enough: a qualitative study of lung cancer screening uptake in Australia to inform future implementation","volume":"17","author":"Dunlop","year":"2022","journal-title":"PLoS One"},{"key":"ref20","doi-asserted-by":"publisher","first-page":"103397","DOI":"10.1016\/j.ijnurstu.2019.103397","article-title":"Effectiveness of tailored communication intervention in increasing colonoscopy screening rates amongst first-degree relatives of individuals with colorectal cancer: a systematic review and meta-analysis","volume":"101","author":"Bai","year":"2020","journal-title":"Int J Nurs Stud"},{"key":"ref21","doi-asserted-by":"publisher","first-page":"716","DOI":"10.1186\/s12889-021-10786-w","article-title":"Psychological distance: a qualitative study of screening barriers among first-degree relatives of colorectal cancer patients","volume":"21","author":"Zhang","year":"2021","journal-title":"BMC Public Health"},{"key":"ref22","doi-asserted-by":"publisher","first-page":"81","DOI":"10.13419\/j.cnki.aids.2025.01.13","article-title":"Effect of \u201cone-stop service\u201d among five categories of high-risk populations in the prevention and treatment of hepatitis C","volume":"31","author":"Cai","year":"2025","journal-title":"Chin J AIDS STD"},{"key":"ref23","doi-asserted-by":"publisher","first-page":"40","DOI":"10.1111\/jrh.12568","article-title":"Low-dose CT lung cancer screening uptake: a rural-urban comparison","volume":"38","author":"Zgodic","year":"2022","journal-title":"J Rural Health"},{"key":"ref24","doi-asserted-by":"publisher","first-page":"1314","DOI":"10.1111\/hex.12975","article-title":"Understanding the decision to screen for lung cancer or not: a qualitative analysis","volume":"22","author":"Draucker","year":"2019","journal-title":"Health Expect"}],"container-title":["Frontiers in Public Health"],"original-title":[],"link":[{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fpubh.2026.1896783\/full","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T16:19:53Z","timestamp":1787329193000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.frontiersin.org\/articles\/10.3389\/fpubh.2026.1896783\/full"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,8,21]]},"references-count":24,"alternative-id":["10.3389\/fpubh.2026.1896783"],"URL":"https:\/\/doi.org\/10.3389\/fpubh.2026.1896783","relation":{},"ISSN":["2296-2565"],"issn-type":[{"value":"2296-2565","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,8,21]]},"article-number":"1896783"}}