Too Much Self-confidence Can Endanger Health of seniors

How people perceive the state of their health can also have consequences for their own health decisions – like whether to visit a doctor or not. A new study by Sonja Spitzer of the University of Vienna and Hertie School Professor Mujaheed Shaikh finds that individuals who overestimate their health visit the doctor 17.0% less often than those who correctly assess their health, which is crucial for preventive care such as screenings. Similar results were found for dentist visits.

The perception of one’s own health has, however, no effect on the number and duration of hospital stays; presumably because hospital stays are more regulated and often require a doctor’s referral.

Those who think they are sicker than they are visit the doctor more often

The authors also found that individuals who underestimate their health visit the doctor 21% more frequently. On the one hand, there is the disadvantage that these additional visits could cause unnecessary costs, which is relevant given population ageing and the associated high public health expenditure. On the other hand, people who underestimate their health and therefore pay close attention to it may be particularly fit in the long term, which could have a positive impact on society. Overall, it is difficult for outsiders to assess which visits are justified and which are not.

For their study, the researchers analysed data from over 80,000 Europeans aged 50 and older, using statistical methods. The data were collected as part of the SHARE study (Survey of Health, Aging and Retirement in Europe) between 2006 and 2013. First, the participants were asked how they assessed their health, for example, whether they had problems getting up from a chair after sitting for a long period. Then, the participants had to actually get up from a chair during a test – this way it can be determined whether someone overestimates, underestimates, or correctly assesses their health. The researchers also took misjudgments related to memory and mobility into account. Overall, the majority of survey participants correctly assess their health (79%), 11% overestimate, and 10% underestimate themselves.

Who knows about their health?

With their new study, the researchers built on a previous study that showed that the perception of health differs greatly depending on age, nationality, and education. The older people are, the more often they overestimate their health. The researchers also found large regional differences: according to the analysis, people in Southern Europe tend to overestimate their health, while people in Central and Eastern Europe often underestimate their health. Educated people are also more likely to correctly assess their health. The scientists’ appeal: Focus more on health education and health literacy. How healthy we feel can influence how healthy we actually are in the long term.

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Filed under aging, aging brain, aging myths

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