Fig. 1From: Stepped-wedge cluster randomised trial of a smoking cessation counselling training programme for midwives treating women with functional health illiteracy and low socioeconomic status (PROMISE): a study protocolOverview of clusters of midwifery practices. Midwifery practices from three regions will be randomly allocated to one of four steps. At each step, practices that received training cross over from the control condition (V-MIS/usual care) to the experimental condition (PROMISE)Back to article page