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Table 2 Stepped wedge design for the proposed study

From: Launching a salt substitute to reduce blood pressure at the population level: a cluster randomized stepped wedge trial in Peru

Clusters

Time period

1

2

3

4

5

6

7

Village 1

0

1

1

1

1

1

1

Village 2

0

0

1

1

1

1

1

Village 3

0

0

0

1

1

1

1

Village 4

0

0

0

0

1

1

1

Village 5

0

0

0

0

0

1

1

Village 6

0

0

0

0

0

0

1

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Trials

ISSN: 1745-6215