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Influence of Illness Uncertainty on Health Behavior in Individuals with Coronary Artery Disease: A Path Analysis
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Hyesun Jeong, Yesul Lee, Jin Sup Park, Yoonju Lee
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J Korean Acad Nurs 2024;54(2):162-177. Published online May 31, 2024
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DOI: https://doi.org/10.4040/jkan.23136
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 Abstract
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- Purpose
This study aimed to investigate the influence of uncertainty-related factors on the health behavior of individuals with coronary artery disease (CAD) based on Mishel’s uncertainty in illness theory (UIT).
Methods
We conducted a cross-sectional study and path analysis to investigate uncertainty and factors related to health behavior. The study participants were 228 CAD patients who visited the outpatient cardiology department between September 2020 and June 2021. We used SPSS 25.0 and AMOS 25.0 software to analyze the data.
Results
The final model demonstrated a good fit with the data. Eleven of the twelve paths were significant. Uncertainty positively affected danger and negatively affected self-efficacy and opportunity. Danger had a positive effect on perceived risk. Opportunity positively affected social support, self-efficacy, perceived benefit and intention, whereas it negatively affected perceived risk. Social support, self-efficacy, perceived benefit and intention had a positive effect on health behavior. We found that perceived benefit and intention had the most significant direct effects, whereas self-efficacy indirectly affected the relationship between uncertainty and health behavior.
Conclusion
The path model is suitable for predicting the health behavior of CAD patients who experience uncertainty. When patients experience uncertainty, interventions to increase their self-efficacy are required first. Additionally, we need to develop programs that quickly shift to appraisal uncertainty as an opportunity, increase perceived benefits of health behavior, and improve intentions.
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Citations
Citations to this article as recorded by  - Self-Care, Resilience, and Uncertainty in Patients After Coronary Artery Bypass Graft Surgery: A Cross-Sectional Descriptive Correlational Study
Eun-Hye Park, JiYeon Choi, Phill Ja Kim, Jiyeon Lee
Journal of Cardiovascular Nursing.2026; 41(4): 255. CrossRef - Health uncertainty: Scale development and its effect on health behaviors
Rui Ren, Su Tao, Yuhua Ouyang, Wenchong Du
Journal of Health Psychology.2026; 31(11): 4547. CrossRef - Health literacy, social support, and health activation as determinants of health-promoting behaviors in patients with chronic heart failure: a COM-B model–based path analysis
Siyu Deng, Meijie Zheng, Wenxiu Liu, Mingjin Jiang, Yanmei Wang
Frontiers in Public Health.2026;[Epub] CrossRef - Associations between uncertainty in illness and cardiac rehabilitation adherence in patients with CHD: a cross-sectional chain mediation and latent profile analysis of cardiac self-efficacy and fear of activity
Lei Wu, Hongmei Xue, Chunxiu Tian, Yan Lu
Frontiers in Cardiovascular Medicine.2026;[Epub] CrossRef - Association between Coping Profiles and Cardiac Health Behavior among Patients with Coronary Artery Disease: A Latent Profile Analysis
Yesul Lee, Yoonju Lee, Jeong Cheon Choe, Hyesun Jeong, Sunyoung Jung
Korean Journal of Adult Nursing.2024; 36(3): 228. CrossRef
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