This study intends to examine influences of online information search on the use of aspirin in cardiovascular diseases (CVDs) prevention among the applicable adult population in the United States.
Methods
We used data of 2018 National Health Interview Survey (NHIS). Our study sample is limited to adults age 40 or older to be consistent with the American Heart Association/American College of Cardiology Foundation (AHA/ACCF) guidelines for aspirin use. Linear probability models were used to test the association between patient's aspirin use behaviors and the variables of interest in four separate models.
Results
Our results show that the use of aspirin for CVD prevention was associated with online health information seeking in different ways. When patients received doctors’ advice to use aspirin, online information seeking has a negative influence, depending on whether the individual has CVD risk factors. However, for patients without recommendations from providers, the effects of online information seeking on self-initiated aspirin use depend on the different types of preventions (primary vs. secondary) and CVD risk factors.
Conclusion
Overall, online health information might lead to both overuse and underuse of aspirin in CVD preventions. Findings in this study may lead to decision-making that is not consistent with advice from healthcare professionals and/or established clinical guidelines.
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