People who have been diagnosed with high blood pressure may be more willing to take medicine than people without the condition, but they may be less willing to make the lifestyle changes doctors also recommend.
A new study suggests that these two parts of blood pressure treatment may be influenced by very different ways of thinking.
The research involved scientists from three universities, including the Annenberg Public Policy Center at the University of Pennsylvania. Led by Yotam Ophir of the University at Buffalo, State University of New York, the study was published in the American Heart Association journal Hypertension.
High blood pressure, also called hypertension, is one of the most common long-term health problems. It develops when blood pushes against artery walls with too much force over time, placing extra stress on blood vessels and important organs.
The condition is sometimes called a silent killer because it often causes no obvious symptoms. A person can feel completely healthy while high blood pressure gradually raises the risk of heart attack, stroke, kidney disease, eye damage and other serious problems.
Treatment can include medicine, but medication is only part of the picture. Doctors commonly recommend regular physical activity, a healthy diet, maintaining a suitable body weight and reducing salt because these habits can also help lower blood pressure and improve overall heart health.
The researchers wanted to understand why people may respond differently to these recommendations. They studied survey data from a nationally representative sample of 1,398 adults in the United States.
The team used a well-known approach called the Health Belief Model. In simple terms, this model looks at whether people believe they are personally at risk, how serious they think a disease is, whether they believe a recommended action will help and what obstacles might make that action difficult.
The results showed that these traditional health beliefs were much better at predicting whether people intended to take medication than whether they intended to change their lifestyle. The model predicted medication intentions about two to three times better than intentions to adopt healthier habits.
People already diagnosed with hypertension were more likely to say they planned to follow a doctor’s advice about taking blood pressure medicine. Worry about the diagnosis and believing that treatment would be beneficial were among the factors linked with stronger medication intentions.
Yet the pattern changed when researchers looked at exercise, diet, weight and salt intake. People with a hypertension diagnosis actually reported weaker intentions to follow their health care provider’s recommendations in these areas than people without high blood pressure.
This difference remained even after the researchers considered people’s willingness to take medication. The finding suggests that being diagnosed may encourage patients to see medicine as an important response while not necessarily creating the same motivation to change everyday routines.
There are several possible reasons, although the study cannot say exactly which ones are responsible. Taking a tablet can be relatively quick and clear, while exercising regularly, changing familiar foods, losing weight or reducing salt may require repeated effort over months or years.
Lifestyle changes can also be shaped by factors that have little to do with a person’s knowledge of hypertension. Time, money, family routines, access to healthy food, safe places to exercise, stress and established habits can all influence whether someone is able to follow medical advice.
Communication with doctors and other health professionals also appeared important. Participants who reported more difficulty discussing health information with their providers were generally less likely to intend to follow recommendations, whether those recommendations involved medicine or lifestyle changes.
This finding suggests that good hypertension care may require more than giving patients a list of instructions. Patients may benefit from conversations that explore what is getting in the way, what changes feel realistic and what practical support is available.
The study is important because hypertension affects a huge number of people. More than 100 million adults in the United States and around a billion adults worldwide are estimated to have high blood pressure, making better control a major public health goal.
However, the research has limits. It measured people’s intentions rather than directly observing whether they actually took medicine, exercised more or changed their diets, and intentions do not always turn into behavior.
The survey also cannot prove that a hypertension diagnosis itself causes people to become less willing to change their lifestyle. Other differences between diagnosed and undiagnosed people could contribute to the pattern.
Overall, the findings suggest that doctors may need different strategies for encouraging medication use and lifestyle change. Explaining the danger of hypertension and the benefits of treatment may work reasonably well for medicine, while changing daily habits may require more practical, personal and ongoing support.
The study adds an important psychological dimension to blood pressure care. Treating hypertension successfully may depend not only on prescribing the right medicine, but also on understanding why healthy changes can be difficult and helping patients turn medical advice into routines they can realistically maintain.
If you care about high blood pressure, please read studies about what to eat and to avoid for high blood pressure, and 12 foods that lower blood pressure.
For more health information, please see recent studies about the connection between potato and high blood pressure, and how to eat your way to healthy blood pressure.
Source: University of Pennsylvania.
