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Improving timely childhood immunizations through pay for performance in Medicaid-managed care
Alyna T Chien1, Zhonghe Li, Meredith B Rosenthal
1Division of General Pediatrics, Children's Hospital Boston, 21 Autumn Street-Room 223, Boston, MA 02115, USA. alyna.chien@childrens.harvard.edu
Insights
A piece-rate pay-for-performance program significantly improved childhood immunization rates. This incentive-based approach, coupled with administrative support, demonstrated effectiveness in boosting vaccination coverage for young children.
Area of Science:
- Public Health
- Healthcare Management
- Pediatric Medicine
Background:
- Childhood immunization is critical for public health.
- Managed care plans face challenges in achieving optimal vaccination rates.
- Pay-for-performance (P4P) programs are increasingly used to incentivize quality healthcare delivery.
Purpose of the Study:
- To assess the impact of a piece-rate P4P program on childhood immunization.
- To evaluate the effectiveness of financial incentives in improving vaccination coverage for 2-year-olds.
- To determine if P4P programs influence immunization disparities.
Main Methods:
- Utilized plan-level data from New York State and claims data from Hudson Health Plan (2003-2007).
- Employed case-comparison and interrupted time series study designs.
- Analyzed a P4P program offering a $200 bonus per fully immunized child, with administrative support.
Main Results:
- Immunization rates increased at a higher rate within the P4P plan compared to control plans.
- No significant changes in pre-existing immunization disparities were observed.
- Children with chronic conditions showed significantly higher odds of full immunization throughout the study.
Conclusions:
- Piece-rate P4P programs, when supported by administrative resources, can effectively enhance childhood immunization rates.
- The study supports the utility of financial incentives in improving pediatric vaccination coverage.
- P4P initiatives may be a valuable tool for managed care organizations aiming to boost public health outcomes.
Objective:
To evaluate the impact of a "piece-rate" pay-for-performance (P4P) program aimed at rewarding up-to-date immunization delivery to 2-year-olds according to the recommended series.
Data Sources/Study Setting:
Plan-level data from New York State's Quality Assurance Reporting Requirement and claims data from Hudson Health Plan for 2003-2007. In 2003 Hudson Health Plan, a not-for-profit Medicaid-focused managed care plan, introduced a U.S.$200 bonus payment for each fully immunized 2-year-old and provided administrative supports for identifying children who may need immunization. This represented a potential bonus of 15-25 percent above base reimbursement for eligible 2-year-olds.
Study Design:
Case-comparison and interrupted times series.
Principal Findings:
Immunization rates within Hudson Health Plan rose at a significantly, albeit modestly, higher rate than the robust secular trend noted among comparison health plans. Supplementary analyses suggest that there was no significant change in preexisting disparities during the study period, and that children with chronic conditions have significantly greater odds of being fully immunized during the entire study period.
Conclusions:
This study suggests that a piece-rate P4P program with appropriate administrative supports can be effective at improving childhood immunization rates.
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