New study suggests people often expect breathlessness to be worse than it is

What did the study look at?

People who experience long-term breathlessness often worry about how hard everyday activities will feel. This concern can make them avoid tasks such as walking, climbing stairs or leaving the house. The study explored how what people expect about their breathlessness compares with what they actually experience.

83 adults with long-term breathlessness took part. They were asked to rate how breathless they expected to feel during daily activities. They then completed the activities and recorded how breathless they felt. This was done using a smartphone app over one week, several times a day.

The researchers also collected information about mood, wellbeing, confidence in handling breathlessness and other health factors to see if these influenced expectations.

What do the results show?

Most participants expected to feel more breathless than they actually did. On average, participants overestimated their breathlessness by about 2 points on a 0–10 scale. This pattern was consistent throughout the week and from day to day.

Depressive symptoms influenced how strongly expectations and experiences were linked. However, overall accuracy, or how close expectations were to reality, was not affected by mood, anxiety or confidence.

Recent experiences of breathlessness strongly shaped what participants expected for the following week. This suggests that what people experience has more influence on expectations than the other way around.

Why is this important?

Overestimating breathlessness can make people avoid physical activity. Avoidance can lead to reduced fitness, more breathlessness and social isolation. Understanding and addressing these expectations could help healthcare professionals give better advice and support.

Helping people plan activities more realistically could improve both physical health and quality of life. Digital tools, such as smartphone apps, may provide feedback to help people understand the difference between expected and actual breathlessness.

Read the original research paper: Expected Breathlessness Is Overestimated Compared to Experienced: A mEMA study