The many ways in which decreasing volatility in individual health care utilization is valuable
It is a long-standing hypothesis shared by many providers that community-based interventions that improve primary care could lead to overall healthcare savings by preventing (or delaying) the occurrence of medically expensive conditions. Rigorously proving this has been difficult, and only a few appropriately controlled studies have been published. In a Letter to the Editor of the American Journal of Managed Care[1], my colleague Alex Brown and I commented on an earlier article[2] evaluating the impact of a community health worker (CHW) intervention on healthcare costs. The study showed no significant