Impact of a Comprehensive Guideline Dissemination Strategy on Diabetes Diagnostic Test Rates: an Interrupted Time Series.

The D&I strategy resulted in a significant increase in the growth of HbA1c tests. The successful uptake of this recommendation may be due to its simplicity; guideline developers should consider this when drafting recommendations. Furthermore, differential uptake by user groups suggests that future strategies should include targeted barrier analysis and interventions to these groups.