Effect of multiple chronic conditions among working-age adults

James M. Naessens, Robert J. Stroebel, Dawn M. Finnie, Nilay D. Shah, Amy E. Wagie, William J. Litchy, Patrick J.F. Killinger, Thomas J.D. O'Byrne, Douglas L. Wood, Robert E. Nesse

Research output: Contribution to journalArticlepeer-review

59 Scopus citations


Objective: To determine the longitudinal effect on healthcare costs of multiple chronic conditions among adults aged 18 to 64 years. Study Design: Retrospective cohort assessment of working-age employees and their dependents with continuous coverage in a self-funded health plan from January 1, 2004, to December 31, 2007. Data were obtained from health benefit enrollment files and from medical and pharmacy claims. Methods: Individuals were defined as having chronic conditions based on modification of a published method. The mean annual healthcare costs were estimated for individuals with 0, 1, 2, 3, 4, or 5 or more chronic conditions. The probability of persistence in high-cost categories across years was estimated for individuals in each group. Results: Overall, 75.3% of working-age adult enrollees had at least 1 chronic condition, 54.3% had multiple chronic conditions, and 16.5% had 5 or more chronic conditions. The cost of healthcare was higher among individuals with more chronic conditions for all ages. The mean medical cost per year for an individual with no chronic conditions was $2137, while that for an individual with 5 or more chronic conditions was $21,183. Enrollees with more chronic conditions had higher persistence in high-cost categories between years and persisted at these high costs for more years. Conclusions: While multiple chronic conditions are common in the population 65 years and older, they are also of great concern for the workingage population. Understanding how to effectively manage individuals with multiple chronic conditions is an important challenge. Effective care management focused on managing the patient as opposed to a condition has the potential to significantly affect healthcare costs.

Original languageEnglish (US)
Pages (from-to)118-122
Number of pages5
JournalAmerican Journal of Managed Care
Issue number2
StatePublished - Feb 1 2011

ASJC Scopus subject areas

  • Health Policy


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