Is the current scope of medical data collection too narrow?

Why we must widen the scope of medical data collection

Medical data has traditionally been a product of information obtained through health tests, but this form of data collection can often fail to contribute to true preventive healthcare. Health systems and data are designed to treat patients, but patients ultimately want to return to being just people again.

But what if health systems and practitioners started to include information like the neighborhood a person lives in, the amount of time they spend on social media or even whether or not a person has a pet? This data could be used to paint a better picture of their health and needs.

Fast and relatively easy access to medical data, such as electronic health records, clinical information and surveys tell doctors almost everything about a patient’s health and wellbeing. But medical data, as we currently define it, rarely addresses a patient’s lifestyle, relationships, exercise habits and diet – despite this form of ‘life data’ revealing as much about patients as their blood pressure, lipid profile and disease history.

With this in mind, is the current scope of medical data collection too narrow?

Why the day-to-day matters

Life data can transform the ability of healthcare practitioners to devise accurate long-term treatment strategies. For instance, medical data typically does not contain information about whether or not a patient owns a pet – which could be critical as studies have shown that pets can play a role in improving cardiovascular health through stress reduction.

Medical forms also omit several other important life data questions, such as:

  • How strong are a patient’s relationships with their family and friends?
  • What does their current diet look like? Are they a vegan/vegetarian/pescetarian?
  • How long have they been married or single? Does their marital status contribute to any of their health problems?

Studies have shown that information provided by questions such as the above can lead to more accurate diagnoses and more positive treatment outcomes. Take, for instance, The Human Project, an initiative to collect the individual data of 10,000 New York City residents to provide deeper insight into health, aging, education and many other aspects of human life. This large-scale study will gather and store a diverse range of information – including IQ, cell phone use and education records – with the goal of showing the relationship between health, behavior and other circumstances.

Its aim is to prove that, by broadening the definition of medical data, healthcare providers can have a clearer picture of a patient’s health and their vulnerability to certain diseases.

Making life better

Incorporating life data into data collection has the potential to create better individual preventive interventions, such as personalized, genomics-based guidance on areas including nutrition and exercise. These, in turn, can increase the human health span over the coming years. The use of life data encourages healthcare that leans more on prevention, wellness and scientific advancement, which are key health themes of the Milken Institute Center for the Future of Aging.

Life data, enhanced by technological innovations, can further create huge opportunities. The possibilities of digital transformation are endless, particularly at the crucial stage of data collection and analysis. And this is where ‘big data’ comes in – a term that describes our ability to understand the ever-increasing volumes of data in the world, used to analyze large numbers of medical records to predict diseases and improve treatment, among other things.

As our data-crunching ability grows and the devices that collect that data shrink to previously unimaginable sizes, the potential to collect and make sense of this data is huge. Big data could also lead to new approaches in prevention, early detection and treatment of disease throughout the world.

Data privacy, however, can’t be ignored in the present digital health landscape. This was acknowledged by the Human Project, which implemented extensive privacy safeguards to protect data, including multiple rounds of encryption and firewalls.

Connecting information

There is no doubt that big data will continue to advance transformation in healthcare and, as healthcare moves away from a task-driven model – focusing on disease and behavior management – to patient-centered care, life data will become even more crucial to enabling and sustaining better health for millions of patients.

While life data still resides outside of patients’ records, it is slowly becoming a part of the healthcare discussion, with current efforts involving small tests and pilots to include such data in clinical settings. The problem, however is that the data is stored in disconnected silos. Take Fitbit, for example: the device measures quality of sleep, the number of steps walked and more, but there is still no system to connect the information to healthcare in a meaningful way.

To truly create, harness and work with big data, all data sources need to be linked – increasing knowledge, care and ultimately, quality of life.


Sophie Okolo

About the author

Sophie Okolo

Sophie Okolo is a senior research associate at the Milken Institute Center for the Future of Aging where she specializes in healthy longevity. She works to increase awareness and support for scientific and social advancements in prevention and wellness and to spread innovative health solutions to diverse communities. Before joining the institute, Okolo served as editor-in-chief of Global Health Aging, a web-based publication featuring news, research and policy implications on healthy aging and longevity. Her professional interests include improving quality of life in aging populations and increasing awareness of preventive health care. She holds a bachelor’s degree in bioinformatics and a master’s in public health with a focus in community health and gerontology.


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