News for Healthier Living

Big data and LASSO improve health insurance risk prediction

A study in Risk Sciences examines whether alternative "big data" and the LASSO variable-selection method can strengthen health risk assessment in critical illness insurance. Using insurer application and claims records alongside smartphone-derived signals and public medical-claim information, the researchers report clear gains in out-of-sample predictive performance beyond traditional underwriting inputs. The paper also explores which categories of data may be most informative for underwriting.

February 6, 2026


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