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Table 3 Factorial design used in the proposed stepped-wedge cluster randomized trial

From: Evaluating the impact of multilevel evidence-based implementation strategies to enhance provider recommendation on human papillomavirus vaccination rates among an empaneled primary care patient population: a study protocol for a stepped-wedge cluster randomized trial

Practice

Stepa

1

2

3

4

A

0

0

1

1 + 2

B

0

1

1 + 2

1 + 2

C

0

2

2

1 + 2

D

0

0

2

1 + 2

E

0

1

1

1 + 2

F

0

2

1 + 2

1 + 2

  1. a0, current care; 1, reminder and recall; 2, audit and feedback and strong recommendation for provider tool kit