Table 1.

Stepped Wedge Study Design and Number of Patients Eligible for Hepatitis C virus (HCV) Screening

Time Period 1 Baseline (0–3 months)Time Period 2(3–6 months)Time Period 3(6–9 months)Time Period 4(9–12 months)
Practice 1 to 5 (Wedge 1)6,2066,2966,1846,020
Practice 6 to 10 (Wedge 2)11,09211,73811,46010,727
Practice 11 to 15 (Wedge 3)4,2443,9624,0873,681
  • Control periods before the HCV education intervention (non-underlined); intervention periods after the rollout of the HCV educational intervention (underlined).