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Table 1 Stepped wedge design.

From: A randomised trial of a psychosocial intervention for cancer patients integrated into routine care: the PROMPT study (promoting optimal outcomes in mood through tailored psychosocial therapies)

 

Epoch 1

Epoch 2

Epoch 3

Epoch 4

Epoch 5

Epoch 6

Epoch 7

Site 1

Control

TRAINING

Intervention

Intervention

Intervention

Intervention

Intervention

Site 2

Control

Control

TRAINING

Intervention

Intervention

Intervention

Intervention

Site 3

Control

Control

Control

TRAINING

Intervention

Intervention

Intervention

Site 4

Control

Control

Control

Control

TRAINING

Intervention

Intervention

Site 5

Control

Control

Control

Control

Control

TRAINING

Intervention

Week

1

10

20

30

40

50

60

  1. The Intervention is sequentially rolled-out across sites in random order over a number of time periods (Epochs).