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Table 2 Stepped-wedge design

From: Study protocol: a pragmatic, stepped-wedge trial of tailored support for implementing social determinants of health documentation/action in community health centers, with realist evaluation

Study step

Study months

1–6

7–12

13–18

19–24

25–30

31–36

37–42

43–48

49–54

Wedge 1 (CHCs 1–5)

C

C, BL

I

FU

FU

FU

FU

FU

FU

Wedge 2 (CHCs 6–10)

C

C

C, BL

I

FU

FU

FU

FU

FU

Wedge 3 (CHCs 11–15)

C

C

C

C, BL

I

FU

FU

FU

FU

Wedge 4 (CHCs 16–20)

C

C

C

C

C, BL

I

FU

FU

FU

Wedge 5 (CHCs 21–25)

C

C

C

C

C

C, BL

I

FU

FU

Wedge 6 (CHCs 26–30)

C

C

C

C

C

C

C, BL

I

FU

  1. C, control period; I, intervention period; BL, baseline survey; FU, follow-up