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Whole of Systems Trial Of Prevention Strategies stepped-wedge cluster randomised controlled trial design
| Community | Preintervention baseline (2015–2016) |
Step 1 (2017–2018) |
Step 2 (2019–2020) |
| Group 1 (five communities) | Control | Control | Intervention |
| Group 2 (five communities) | Control | Intervention | Intervention |
