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Table 1 Characteristics of trials led by the authors

From: Logistic, ethical, and political dimensions of stepped wedge trials: critical review and case studies

Lead author Country Clusters Intervention Main outcome(s) Interview number
De Allegri [14] Burkina Faso 33 geographical rural and urban clusters • Offer of community health insurance Health service utilization 1
Dreischulte [17] (DQIP study) United Kingdom 40 general practice surgeries in two Scottish health boards • Each practice received a visit providing education on targeted prescribing and training in the use of an informatics tool Composite measure of high-risk prescribing 2
• The informatics tool provided weekly updated feedback of targeted prescribing at practice level, prompting the review of individual clients affected, and summarising each patient’s relevant risk factors and prescriptions   
• Payments for practices: a US $560 upfront incentive and US $24 for each client reviewed during the intervention   
Killam [35] Zambia Antenatal care clinics • Antiretroviral therapy for HIV during antenatal care Proportion of treatment-eligible women initiating antiretroviral therapy during pregnancy 3
Roy [58] United Kingdom Tuberculosis clinics in London • Universal offer of HIV testing in tuberculosis clinics Levels of HIV test offers, acceptance and coverage 4
Mouchoux [50] (CONFUCIUS study) France Three surgical wards • Preoperative geriatric consultation Postoperative delirium within seven days of surgery 5
• Training of ward staff and Hospital Elder Life Program
• Conferences about cases of delirium
Stringer [63] (BHOMA study) Zambia Catchment areas of primary health care centres • Implementation of clinical protocols, forms, and systems by Quality Improvement (QI) team in primary health centres. Overall mortality 6
Under-five mortality
• Monitoring of care and mentoring facility staff to improve quality.
• Engagement of community health workers to refer and follow up clients.