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Professor Martin White - UK Faculty of Public Health

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Evaluation <strong>of</strong> a modified care pathway to promote<br />

increased smoking cessation rates among pregnant<br />

women: a proposed randomised stepped wedge trial<br />

Allocation<br />

blocks<br />

2012 2013*<br />

Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug<br />

Area 1 (2<br />

Trusts)<br />

Area 2 (3<br />

trusts)<br />

Area 3 (1<br />

trust)<br />

Area 4 (2<br />

trusts)<br />

Control steps: full data collection, no intervention<br />

Initial intervention delivery: training and implementation, leading to full fidelity<br />

Full intervention delivery at full fidelity

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