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Which elements of improvement collaboratives are most effective? A cluster-randomized trial
David H Gustafson1, Andrew R Quanbeck, James M Robinson
1Center for Health Enhancement Systems Studies, Industrial and Systems Engineering Department, College of Engineering, University of Wisconsin–Madison, 1513 University Avenue, Madison, WI 53706, USA. dhgustaf@wisc.edu
Clinic-level coaching significantly reduced addiction treatment waiting times and increased new patient numbers. Other collaborative components did not add value, making coaching a more cost-effective improvement strategy.
Area of Science:
- Health Services Research
- Addiction Treatment
- Quality Improvement
Background:
- Improvement collaboratives are widely used in healthcare to enhance quality.
- However, the specific components that are most effective within these collaboratives remain unidentified.
- This study specifically investigated components within addiction treatment services.
Purpose of the Study:
- To evaluate the effectiveness of different components of improvement collaboratives in addiction treatment services.
- To determine which collaborative components are most effective in improving key performance indicators.
- To test the hypothesis that a combination of all components would yield the best results.
Main Methods:
- A cluster-randomized trial involving 201 outpatient addiction treatment clinics across five states.
- Clinics were assigned to receive interest circle calls, clinic-level coaching, learning sessions, or a combination of all three interventions.
- Outcomes measured included waiting-time, patient retention, and the annual number of new patients, alongside cost-effectiveness analysis.
Main Results:
- Clinic-level coaching and the combination group significantly reduced waiting times.
- The coaching and combination groups also showed significant increases in the number of new patients.
- Interest circle calls did not demonstrate significant effects on any primary outcomes, and no group improved patient retention.
Conclusions:
- Clinic-level coaching is an effective strategy for improving waiting times and increasing patient volume in addiction treatment services.
- Other components, such as interest circle calls and learning sessions, did not appear to provide additional benefits.
- Coaching demonstrated comparable effectiveness to the full combination approach but was substantially more cost-effective.
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